990844218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 256

約数和(自身を含む): 2975616000

約数和(自身を除く): 1984771782

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 29, 34, 39, 42, 51, 54, 58, 63, 78, 87, 91, 102, 117, 119, 126, 153, 174, 182, 189, 203, 221, 234, 238, 261, 273, 306, 351, 357, 377, 378, 406, 409, 442, 459, 493, 522, 546, 609, 663, 702, 714, 754, 783, 818, 819, 918, 986, 1071, 1131, 1218, 1227, 1326, 1479, 1547, 1566, 1638, 1827, 1989, 2142, 2262, 2454, 2457, 2639, 2863, 2958, 3094, 3213, 3393, 3451, 3654, 3681, 3978, 4437, 4641, 4914, 5278, 5317, 5481, 5726, 5967, 6409, 6426, 6786, 6902, 6953, 7362, 7917, 8589, 8874, 9282, 10179, 10353, 10634, 10962, 11043, 11861, 11934, 12818, 13311, 13906, 13923, 15834, 15951, 17178, 19227, 20358, 20706, 20859, 22086, 23722, 23751, 25767, 26622, 27846, 31059, 31902, 35583, 37219, 38454, 41718, 41769, 44863, 47502, 47853, 48671, 51534, 57681, 62118, 62577, 71166, 71253, 74438, 77301, 83027, 83538, 89726, 90389, 93177, 95706, 97342, 106749, 111657, 115362, 125154, 134589, 142506, 143559, 146013, 154193, 154602, 166054, 173043, 180778, 186354, 187731, 201637, 213498, 223314, 249081, 269178, 271167, 287118, 292026, 308386, 320247, 334971, 346086, 375462, 403274, 403767, 438039, 462579, 498162, 542334, 604911, 632723, 640494, 669942, 747243, 807534, 813501, 876078, 925158, 1004913, 1079351, 1209822, 1211301, 1265446, 1314117, 1387737, 1411459, 1494486, 1627002, 1814733, 1898169, 2009826, 2158702, 2241729, 2422602, 2440503, 2621281, 2628234, 2775474, 2822918, 3238053, 3629466, 3796338, 4163211, 4234377, 4483458, 4881006, 5242562, 5444199, 5694507, 6476106, 7863843, 8326422, 8468754, 9714159, 10888398, 11389014, 12703131, 15727686, 17083521, 18348967, 19428318, 23591529, 25406262, 29142477, 34167042, 36697934, 38109393, 47183058, 55046901, 58284954, 70774587, 76218786, 110093802, 141549174, 165140703, 330281406, 495422109, 990844218]

約数ペア:

[(1, 990844218), (2, 495422109), (3, 330281406), (6, 165140703), (7, 141549174), (9, 110093802), (13, 76218786), (14, 70774587), (17, 58284954), (18, 55046901), (21, 47183058), (26, 38109393), (27, 36697934), (29, 34167042), (34, 29142477), (39, 25406262), (42, 23591529), (51, 19428318), (54, 18348967), (58, 17083521), (63, 15727686), (78, 12703131), (87, 11389014), (91, 10888398), (102, 9714159), (117, 8468754), (119, 8326422), (126, 7863843), (153, 6476106), (174, 5694507), (182, 5444199), (189, 5242562), (203, 4881006), (221, 4483458), (234, 4234377), (238, 4163211), (261, 3796338), (273, 3629466), (306, 3238053), (351, 2822918), (357, 2775474), (377, 2628234), (378, 2621281), (406, 2440503), (409, 2422602), (442, 2241729), (459, 2158702), (493, 2009826), (522, 1898169), (546, 1814733), (609, 1627002), (663, 1494486), (702, 1411459), (714, 1387737), (754, 1314117), (783, 1265446), (818, 1211301), (819, 1209822), (918, 1079351), (986, 1004913), (1071, 925158), (1131, 876078), (1218, 813501), (1227, 807534), (1326, 747243), (1479, 669942), (1547, 640494), (1566, 632723), (1638, 604911), (1827, 542334), (1989, 498162), (2142, 462579), (2262, 438039), (2454, 403767), (2457, 403274), (2639, 375462), (2863, 346086), (2958, 334971), (3094, 320247), (3213, 308386), (3393, 292026), (3451, 287118), (3654, 271167), (3681, 269178), (3978, 249081), (4437, 223314), (4641, 213498), (4914, 201637), (5278, 187731), (5317, 186354), (5481, 180778), (5726, 173043), (5967, 166054), (6409, 154602), (6426, 154193), (6786, 146013), (6902, 143559), (6953, 142506), (7362, 134589), (7917, 125154), (8589, 115362), (8874, 111657), (9282, 106749), (10179, 97342), (10353, 95706), (10634, 93177), (10962, 90389), (11043, 89726), (11861, 83538), (11934, 83027), (12818, 77301), (13311, 74438), (13906, 71253), (13923, 71166), (15834, 62577), (15951, 62118), (17178, 57681), (19227, 51534), (20358, 48671), (20706, 47853), (20859, 47502), (22086, 44863), (23722, 41769), (23751, 41718), (25767, 38454), (26622, 37219), (27846, 35583), (31059, 31902)]