85207780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 218050560

約数和(自身を除く): 132842780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 103, 133, 140, 190, 206, 266, 311, 380, 412, 515, 532, 622, 665, 721, 1030, 1244, 1330, 1442, 1555, 1957, 2060, 2177, 2660, 2884, 3110, 3605, 3914, 4354, 5909, 6220, 7210, 7828, 8708, 9785, 10885, 11818, 13699, 14420, 19570, 21770, 23636, 27398, 29545, 32033, 39140, 41363, 43540, 54796, 59090, 64066, 68495, 82726, 118180, 128132, 136990, 160165, 165452, 206815, 224231, 273980, 320330, 413630, 448462, 608627, 640660, 827260, 896924, 1121155, 1217254, 2242310, 2434508, 3043135, 4260389, 4484620, 6086270, 8520778, 12172540, 17041556, 21301945, 42603890, 85207780]

約数ペア:

[(1, 85207780), (2, 42603890), (4, 21301945), (5, 17041556), (7, 12172540), (10, 8520778), (14, 6086270), (19, 4484620), (20, 4260389), (28, 3043135), (35, 2434508), (38, 2242310), (70, 1217254), (76, 1121155), (95, 896924), (103, 827260), (133, 640660), (140, 608627), (190, 448462), (206, 413630), (266, 320330), (311, 273980), (380, 224231), (412, 206815), (515, 165452), (532, 160165), (622, 136990), (665, 128132), (721, 118180), (1030, 82726), (1244, 68495), (1330, 64066), (1442, 59090), (1555, 54796), (1957, 43540), (2060, 41363), (2177, 39140), (2660, 32033), (2884, 29545), (3110, 27398), (3605, 23636), (3914, 21770), (4354, 19570), (5909, 14420), (6220, 13699), (7210, 11818), (7828, 10885), (8708, 9785)]