2158217740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{1597}}^1$

素因数の和:1824

約数の個数: 96

約数和(自身を含む): 5315587200

約数和(自身を除く): 3157369460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 343, 394, 490, 686, 788, 980, 985, 1372, 1379, 1597, 1715, 1970, 2758, 3194, 3430, 3940, 5516, 6388, 6860, 6895, 7985, 9653, 11179, 13790, 15970, 19306, 22358, 27580, 31940, 38612, 44716, 48265, 55895, 67571, 78253, 96530, 111790, 135142, 156506, 193060, 223580, 270284, 313012, 314609, 337855, 391265, 547771, 629218, 675710, 782530, 1095542, 1258436, 1351420, 1565060, 1573045, 2191084, 2202263, 2738855, 3146090, 4404526, 5477710, 6292180, 8809052, 10955420, 11011315, 15415841, 22022630, 30831682, 44045260, 61663364, 77079205, 107910887, 154158410, 215821774, 308316820, 431643548, 539554435, 1079108870, 2158217740]

約数ペア:

[(1, 2158217740), (2, 1079108870), (4, 539554435), (5, 431643548), (7, 308316820), (10, 215821774), (14, 154158410), (20, 107910887), (28, 77079205), (35, 61663364), (49, 44045260), (70, 30831682), (98, 22022630), (140, 15415841), (196, 11011315), (197, 10955420), (245, 8809052), (343, 6292180), (394, 5477710), (490, 4404526), (686, 3146090), (788, 2738855), (980, 2202263), (985, 2191084), (1372, 1573045), (1379, 1565060), (1597, 1351420), (1715, 1258436), (1970, 1095542), (2758, 782530), (3194, 675710), (3430, 629218), (3940, 547771), (5516, 391265), (6388, 337855), (6860, 314609), (6895, 313012), (7985, 270284), (9653, 223580), (11179, 193060), (13790, 156506), (15970, 135142), (19306, 111790), (22358, 96530), (27580, 78253), (31940, 67571), (38612, 55895), (44716, 48265)]