139538440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2702

約数の個数: 64

約数和(自身を含む): 331752960

約数和(自身を除く): 192214520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2617, 2666, 5234, 5332, 6665, 10468, 10664, 13085, 13330, 20936, 26170, 26660, 52340, 53320, 81127, 104680, 112531, 162254, 225062, 324508, 405635, 450124, 562655, 649016, 811270, 900248, 1125310, 1622540, 2250620, 3245080, 3488461, 4501240, 6976922, 13953844, 17442305, 27907688, 34884610, 69769220, 139538440]

約数ペア:

[(1, 139538440), (2, 69769220), (4, 34884610), (5, 27907688), (8, 17442305), (10, 13953844), (20, 6976922), (31, 4501240), (40, 3488461), (43, 3245080), (62, 2250620), (86, 1622540), (124, 1125310), (155, 900248), (172, 811270), (215, 649016), (248, 562655), (310, 450124), (344, 405635), (430, 324508), (620, 225062), (860, 162254), (1240, 112531), (1333, 104680), (1720, 81127), (2617, 53320), (2666, 52340), (5234, 26660), (5332, 26170), (6665, 20936), (10468, 13330), (10664, 13085)]