209751390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2347}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 561265920

約数和(自身を除く): 351514530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 331, 662, 993, 1655, 1986, 2347, 2979, 3310, 4694, 4965, 5958, 7041, 8937, 9930, 11735, 14082, 14895, 17874, 21123, 23470, 29790, 35205, 42246, 44685, 63369, 70410, 89370, 105615, 126738, 211230, 316845, 633690, 776857, 1553714, 2330571, 3884285, 4661142, 6991713, 7768570, 11652855, 13983426, 20975139, 23305710, 34958565, 41950278, 69917130, 104875695, 209751390]

約数ペア:

[(1, 209751390), (2, 104875695), (3, 69917130), (5, 41950278), (6, 34958565), (9, 23305710), (10, 20975139), (15, 13983426), (18, 11652855), (27, 7768570), (30, 6991713), (45, 4661142), (54, 3884285), (90, 2330571), (135, 1553714), (270, 776857), (331, 633690), (662, 316845), (993, 211230), (1655, 126738), (1986, 105615), (2347, 89370), (2979, 70410), (3310, 63369), (4694, 44685), (4965, 42246), (5958, 35205), (7041, 29790), (8937, 23470), (9930, 21123), (11735, 17874), (14082, 14895)]