873990440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{17191}}^1$

素因数の和:17274

約数の個数: 64

約数和(自身を含む): 2079544320

約数和(自身を除く): 1205553880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 5084, 6355, 10168, 12710, 17191, 25420, 34382, 50840, 68764, 85955, 137528, 171910, 343820, 532921, 687640, 704831, 1065842, 1409662, 2131684, 2664605, 2819324, 3524155, 4263368, 5329210, 5638648, 7048310, 10658420, 14096620, 21316840, 21849761, 28193240, 43699522, 87399044, 109248805, 174798088, 218497610, 436995220, 873990440]

約数ペア:

[(1, 873990440), (2, 436995220), (4, 218497610), (5, 174798088), (8, 109248805), (10, 87399044), (20, 43699522), (31, 28193240), (40, 21849761), (41, 21316840), (62, 14096620), (82, 10658420), (124, 7048310), (155, 5638648), (164, 5329210), (205, 4263368), (248, 3524155), (310, 2819324), (328, 2664605), (410, 2131684), (620, 1409662), (820, 1065842), (1240, 704831), (1271, 687640), (1640, 532921), (2542, 343820), (5084, 171910), (6355, 137528), (10168, 85955), (12710, 68764), (17191, 50840), (25420, 34382)]