2905419080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47881}}^1$

素因数の和:47970

約数の個数: 64

約数和(自身を含む): 6877770480

約数和(自身を除く): 3972351400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1480, 1517, 1640, 3034, 6068, 7585, 12136, 15170, 30340, 47881, 60680, 95762, 191524, 239405, 383048, 478810, 957620, 1771597, 1915240, 1963121, 3543194, 3926242, 7086388, 7852484, 8857985, 9815605, 14172776, 15704968, 17715970, 19631210, 35431940, 39262420, 70863880, 72635477, 78524840, 145270954, 290541908, 363177385, 581083816, 726354770, 1452709540, 2905419080]

約数ペア:

[(1, 2905419080), (2, 1452709540), (4, 726354770), (5, 581083816), (8, 363177385), (10, 290541908), (20, 145270954), (37, 78524840), (40, 72635477), (41, 70863880), (74, 39262420), (82, 35431940), (148, 19631210), (164, 17715970), (185, 15704968), (205, 14172776), (296, 9815605), (328, 8857985), (370, 7852484), (410, 7086388), (740, 3926242), (820, 3543194), (1480, 1963121), (1517, 1915240), (1640, 1771597), (3034, 957620), (6068, 478810), (7585, 383048), (12136, 239405), (15170, 191524), (30340, 95762), (47881, 60680)]