78175580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 192343536

約数和(自身を除く): 114167956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 331, 482, 490, 662, 964, 980, 1205, 1324, 1655, 1687, 2317, 2410, 3310, 3374, 4634, 4820, 6620, 6748, 8435, 9268, 11585, 11809, 16219, 16870, 23170, 23618, 32438, 33740, 46340, 47236, 59045, 64876, 79771, 81095, 118090, 159542, 162190, 236180, 319084, 324380, 398855, 558397, 797710, 1116794, 1595420, 2233588, 2791985, 3908779, 5583970, 7817558, 11167940, 15635116, 19543895, 39087790, 78175580]

約数ペア:

[(1, 78175580), (2, 39087790), (4, 19543895), (5, 15635116), (7, 11167940), (10, 7817558), (14, 5583970), (20, 3908779), (28, 2791985), (35, 2233588), (49, 1595420), (70, 1116794), (98, 797710), (140, 558397), (196, 398855), (241, 324380), (245, 319084), (331, 236180), (482, 162190), (490, 159542), (662, 118090), (964, 81095), (980, 79771), (1205, 64876), (1324, 59045), (1655, 47236), (1687, 46340), (2317, 33740), (2410, 32438), (3310, 23618), (3374, 23170), (4634, 16870), (4820, 16219), (6620, 11809), (6748, 11585), (8435, 9268)]