68131700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7487}}^1$

素因数の和:7521

約数の個数: 72

約数和(自身を含む): 181988352

約数和(自身を除く): 113856652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 7487, 9100, 14974, 29948, 37435, 52409, 74870, 97331, 104818, 149740, 187175, 194662, 209636, 262045, 374350, 389324, 486655, 524090, 681317, 748700, 973310, 1048180, 1310225, 1362634, 1946620, 2433275, 2620450, 2725268, 3406585, 4866550, 5240900, 6813170, 9733100, 13626340, 17032925, 34065850, 68131700]

約数ペア:

[(1, 68131700), (2, 34065850), (4, 17032925), (5, 13626340), (7, 9733100), (10, 6813170), (13, 5240900), (14, 4866550), (20, 3406585), (25, 2725268), (26, 2620450), (28, 2433275), (35, 1946620), (50, 1362634), (52, 1310225), (65, 1048180), (70, 973310), (91, 748700), (100, 681317), (130, 524090), (140, 486655), (175, 389324), (182, 374350), (260, 262045), (325, 209636), (350, 194662), (364, 187175), (455, 149740), (650, 104818), (700, 97331), (910, 74870), (1300, 52409), (1820, 37435), (2275, 29948), (4550, 14974), (7487, 9100)]