4221222100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{1231}}^1$

素因数の和:1945

約数の個数: 72

約数和(自身を含む): 9354901248

約数和(自身を除く): 5133679148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 647, 1060, 1231, 1294, 1325, 2462, 2588, 2650, 3235, 4924, 5300, 6155, 6470, 12310, 12940, 16175, 24620, 30775, 32350, 34291, 61550, 64700, 65243, 68582, 123100, 130486, 137164, 171455, 260972, 326215, 342910, 652430, 685820, 796457, 857275, 1304860, 1592914, 1631075, 1714550, 3185828, 3262150, 3429100, 3982285, 6524300, 7964570, 15929140, 19911425, 39822850, 42212221, 79645700, 84424442, 168848884, 211061105, 422122210, 844244420, 1055305525, 2110611050, 4221222100]

約数ペア:

[(1, 4221222100), (2, 2110611050), (4, 1055305525), (5, 844244420), (10, 422122210), (20, 211061105), (25, 168848884), (50, 84424442), (53, 79645700), (100, 42212221), (106, 39822850), (212, 19911425), (265, 15929140), (530, 7964570), (647, 6524300), (1060, 3982285), (1231, 3429100), (1294, 3262150), (1325, 3185828), (2462, 1714550), (2588, 1631075), (2650, 1592914), (3235, 1304860), (4924, 857275), (5300, 796457), (6155, 685820), (6470, 652430), (12310, 342910), (12940, 326215), (16175, 260972), (24620, 171455), (30775, 137164), (32350, 130486), (34291, 123100), (61550, 68582), (64700, 65243)]