156658990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 309795840

約数和(自身を除く): 153136850

約数列:

[1, 2, 5, 10, 19, 38, 47, 53, 94, 95, 106, 190, 235, 265, 331, 470, 530, 662, 893, 1007, 1655, 1786, 2014, 2491, 3310, 4465, 4982, 5035, 6289, 8930, 10070, 12455, 12578, 15557, 17543, 24910, 31114, 31445, 35086, 47329, 62890, 77785, 87715, 94658, 155570, 175430, 236645, 295583, 333317, 473290, 591166, 666634, 824521, 1477915, 1649042, 1666585, 2955830, 3333170, 4122605, 8245210, 15665899, 31331798, 78329495, 156658990]

約数ペア:

[(1, 156658990), (2, 78329495), (5, 31331798), (10, 15665899), (19, 8245210), (38, 4122605), (47, 3333170), (53, 2955830), (94, 1666585), (95, 1649042), (106, 1477915), (190, 824521), (235, 666634), (265, 591166), (331, 473290), (470, 333317), (530, 295583), (662, 236645), (893, 175430), (1007, 155570), (1655, 94658), (1786, 87715), (2014, 77785), (2491, 62890), (3310, 47329), (4465, 35086), (4982, 31445), (5035, 31114), (6289, 24910), (8930, 17543), (10070, 15557), (12455, 12578)]