279976788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 216

約数和(自身を含む): 919343880

約数和(自身を除く): 639367092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 29, 36, 39, 42, 49, 52, 58, 63, 78, 84, 87, 91, 98, 116, 117, 126, 147, 156, 174, 182, 196, 203, 234, 252, 261, 273, 294, 348, 364, 377, 406, 421, 441, 468, 522, 546, 588, 609, 637, 754, 812, 819, 842, 882, 1044, 1092, 1131, 1218, 1263, 1274, 1421, 1508, 1638, 1684, 1764, 1827, 1911, 2262, 2436, 2526, 2548, 2639, 2842, 2947, 3276, 3393, 3654, 3789, 3822, 4263, 4524, 5052, 5278, 5473, 5684, 5733, 5894, 6786, 7308, 7578, 7644, 7917, 8526, 8841, 10556, 10946, 11466, 11788, 12209, 12789, 13572, 15156, 15834, 16419, 17052, 17682, 18473, 20629, 21892, 22932, 23751, 24418, 25578, 26523, 31668, 32838, 35364, 36627, 36946, 38311, 41258, 47502, 48836, 49257, 51156, 53046, 55419, 61887, 65676, 73254, 73892, 76622, 82516, 85463, 95004, 98514, 106092, 109881, 110838, 114933, 123774, 146508, 153244, 158717, 166257, 170926, 185661, 197028, 219762, 221676, 229866, 247548, 256389, 268177, 317434, 332514, 341852, 344799, 371322, 439524, 459732, 476151, 512778, 536354, 598241, 634868, 665028, 689598, 742644, 769167, 804531, 952302, 1025556, 1072708, 1111019, 1196482, 1379196, 1428453, 1538334, 1609062, 1794723, 1904604, 2222038, 2392964, 2413593, 2856906, 3076668, 3218124, 3333057, 3589446, 4444076, 4827186, 5384169, 5713812, 6666114, 7178892, 7777133, 9654372, 9999171, 10768338, 13332228, 15554266, 19998342, 21536676, 23331399, 31108532, 39996684, 46662798, 69994197, 93325596, 139988394, 279976788]

約数ペア:

[(1, 279976788), (2, 139988394), (3, 93325596), (4, 69994197), (6, 46662798), (7, 39996684), (9, 31108532), (12, 23331399), (13, 21536676), (14, 19998342), (18, 15554266), (21, 13332228), (26, 10768338), (28, 9999171), (29, 9654372), (36, 7777133), (39, 7178892), (42, 6666114), (49, 5713812), (52, 5384169), (58, 4827186), (63, 4444076), (78, 3589446), (84, 3333057), (87, 3218124), (91, 3076668), (98, 2856906), (116, 2413593), (117, 2392964), (126, 2222038), (147, 1904604), (156, 1794723), (174, 1609062), (182, 1538334), (196, 1428453), (203, 1379196), (234, 1196482), (252, 1111019), (261, 1072708), (273, 1025556), (294, 952302), (348, 804531), (364, 769167), (377, 742644), (406, 689598), (421, 665028), (441, 634868), (468, 598241), (522, 536354), (546, 512778), (588, 476151), (609, 459732), (637, 439524), (754, 371322), (812, 344799), (819, 341852), (842, 332514), (882, 317434), (1044, 268177), (1092, 256389), (1131, 247548), (1218, 229866), (1263, 221676), (1274, 219762), (1421, 197028), (1508, 185661), (1638, 170926), (1684, 166257), (1764, 158717), (1827, 153244), (1911, 146508), (2262, 123774), (2436, 114933), (2526, 110838), (2548, 109881), (2639, 106092), (2842, 98514), (2947, 95004), (3276, 85463), (3393, 82516), (3654, 76622), (3789, 73892), (3822, 73254), (4263, 65676), (4524, 61887), (5052, 55419), (5278, 53046), (5473, 51156), (5684, 49257), (5733, 48836), (5894, 47502), (6786, 41258), (7308, 38311), (7578, 36946), (7644, 36627), (7917, 35364), (8526, 32838), (8841, 31668), (10556, 26523), (10946, 25578), (11466, 24418), (11788, 23751), (12209, 22932), (12789, 21892), (13572, 20629), (15156, 18473), (15834, 17682), (16419, 17052)]