128412620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 320398848

約数和(自身を除く): 191986228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 83, 86, 140, 166, 172, 215, 257, 301, 332, 415, 430, 514, 581, 602, 830, 860, 1028, 1162, 1204, 1285, 1505, 1660, 1799, 2324, 2570, 2905, 3010, 3569, 3598, 5140, 5810, 6020, 7138, 7196, 8995, 11051, 11620, 14276, 17845, 17990, 21331, 22102, 24983, 35690, 35980, 42662, 44204, 49966, 55255, 71380, 77357, 85324, 99932, 106655, 110510, 124915, 149317, 154714, 213310, 221020, 249830, 298634, 309428, 386785, 426620, 499660, 597268, 746585, 773570, 917233, 1493170, 1547140, 1834466, 2986340, 3668932, 4586165, 6420631, 9172330, 12841262, 18344660, 25682524, 32103155, 64206310, 128412620]

約数ペア:

[(1, 128412620), (2, 64206310), (4, 32103155), (5, 25682524), (7, 18344660), (10, 12841262), (14, 9172330), (20, 6420631), (28, 4586165), (35, 3668932), (43, 2986340), (70, 1834466), (83, 1547140), (86, 1493170), (140, 917233), (166, 773570), (172, 746585), (215, 597268), (257, 499660), (301, 426620), (332, 386785), (415, 309428), (430, 298634), (514, 249830), (581, 221020), (602, 213310), (830, 154714), (860, 149317), (1028, 124915), (1162, 110510), (1204, 106655), (1285, 99932), (1505, 85324), (1660, 77357), (1799, 71380), (2324, 55255), (2570, 49966), (2905, 44204), (3010, 42662), (3569, 35980), (3598, 35690), (5140, 24983), (5810, 22102), (6020, 21331), (7138, 17990), (7196, 17845), (8995, 14276), (11051, 11620)]