921403140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 3045267456

約数和(自身を除く): 2123864316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 163, 172, 210, 215, 258, 301, 313, 326, 420, 430, 489, 516, 602, 626, 645, 652, 815, 860, 903, 939, 978, 1141, 1204, 1252, 1290, 1505, 1565, 1630, 1806, 1878, 1956, 2191, 2282, 2445, 2580, 3010, 3130, 3260, 3423, 3612, 3756, 4382, 4515, 4564, 4695, 4890, 5705, 6020, 6260, 6573, 6846, 7009, 8764, 9030, 9390, 9780, 10955, 11410, 13146, 13459, 13692, 14018, 17115, 18060, 18780, 21027, 21910, 22820, 26292, 26918, 28036, 32865, 34230, 35045, 40377, 42054, 43820, 49063, 51019, 53836, 65730, 67295, 68460, 70090, 80754, 84108, 94213, 98126, 102038, 105135, 131460, 134590, 140180, 147189, 153057, 161508, 188426, 196252, 201885, 204076, 210270, 245315, 255095, 269180, 282639, 294378, 306114, 357133, 376852, 403770, 420540, 471065, 490630, 510190, 565278, 588756, 612228, 714266, 735945, 765285, 807540, 942130, 981260, 1020380, 1071399, 1130556, 1413195, 1428532, 1471890, 1530570, 1785665, 1884260, 2142798, 2193817, 2826390, 2943780, 3061140, 3571330, 4285596, 4387634, 5356995, 5652780, 6581451, 7142660, 8775268, 10713990, 10969085, 13162902, 15356719, 21427980, 21938170, 26325804, 30713438, 32907255, 43876340, 46070157, 61426876, 65814510, 76783595, 92140314, 131629020, 153567190, 184280628, 230350785, 307134380, 460701570, 921403140]

約数ペア:

[(1, 921403140), (2, 460701570), (3, 307134380), (4, 230350785), (5, 184280628), (6, 153567190), (7, 131629020), (10, 92140314), (12, 76783595), (14, 65814510), (15, 61426876), (20, 46070157), (21, 43876340), (28, 32907255), (30, 30713438), (35, 26325804), (42, 21938170), (43, 21427980), (60, 15356719), (70, 13162902), (84, 10969085), (86, 10713990), (105, 8775268), (129, 7142660), (140, 6581451), (163, 5652780), (172, 5356995), (210, 4387634), (215, 4285596), (258, 3571330), (301, 3061140), (313, 2943780), (326, 2826390), (420, 2193817), (430, 2142798), (489, 1884260), (516, 1785665), (602, 1530570), (626, 1471890), (645, 1428532), (652, 1413195), (815, 1130556), (860, 1071399), (903, 1020380), (939, 981260), (978, 942130), (1141, 807540), (1204, 765285), (1252, 735945), (1290, 714266), (1505, 612228), (1565, 588756), (1630, 565278), (1806, 510190), (1878, 490630), (1956, 471065), (2191, 420540), (2282, 403770), (2445, 376852), (2580, 357133), (3010, 306114), (3130, 294378), (3260, 282639), (3423, 269180), (3612, 255095), (3756, 245315), (4382, 210270), (4515, 204076), (4564, 201885), (4695, 196252), (4890, 188426), (5705, 161508), (6020, 153057), (6260, 147189), (6573, 140180), (6846, 134590), (7009, 131460), (8764, 105135), (9030, 102038), (9390, 98126), (9780, 94213), (10955, 84108), (11410, 80754), (13146, 70090), (13459, 68460), (13692, 67295), (14018, 65730), (17115, 53836), (18060, 51019), (18780, 49063), (21027, 43820), (21910, 42054), (22820, 40377), (26292, 35045), (26918, 34230), (28036, 32865)]