208717710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 514382400

約数和(自身を除く): 305664690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 149, 159, 265, 298, 318, 447, 530, 745, 795, 881, 894, 1490, 1590, 1762, 2235, 2643, 4405, 4470, 5286, 7897, 8810, 13215, 15794, 23691, 26430, 39485, 46693, 47382, 78970, 93386, 118455, 131269, 140079, 233465, 236910, 262538, 280158, 393807, 466930, 656345, 700395, 787614, 1312690, 1400790, 1969035, 3938070, 6957257, 13914514, 20871771, 34786285, 41743542, 69572570, 104358855, 208717710]

約数ペア:

[(1, 208717710), (2, 104358855), (3, 69572570), (5, 41743542), (6, 34786285), (10, 20871771), (15, 13914514), (30, 6957257), (53, 3938070), (106, 1969035), (149, 1400790), (159, 1312690), (265, 787614), (298, 700395), (318, 656345), (447, 466930), (530, 393807), (745, 280158), (795, 262538), (881, 236910), (894, 233465), (1490, 140079), (1590, 131269), (1762, 118455), (2235, 93386), (2643, 78970), (4405, 47382), (4470, 46693), (5286, 39485), (7897, 26430), (8810, 23691), (13215, 15794)]