84665620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 198022104

約数和(自身を除く): 113356484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 481, 676, 677, 740, 845, 962, 1354, 1690, 1924, 2405, 2708, 3380, 3385, 4810, 6253, 6770, 8801, 9620, 12506, 13540, 17602, 25012, 25049, 31265, 35204, 44005, 50098, 62530, 88010, 100196, 114413, 125060, 125245, 176020, 228826, 250490, 325637, 457652, 500980, 572065, 651274, 1144130, 1302548, 1628185, 2288260, 3256370, 4233281, 6512740, 8466562, 16933124, 21166405, 42332810, 84665620]

約数ペア:

[(1, 84665620), (2, 42332810), (4, 21166405), (5, 16933124), (10, 8466562), (13, 6512740), (20, 4233281), (26, 3256370), (37, 2288260), (52, 1628185), (65, 1302548), (74, 1144130), (130, 651274), (148, 572065), (169, 500980), (185, 457652), (260, 325637), (338, 250490), (370, 228826), (481, 176020), (676, 125245), (677, 125060), (740, 114413), (845, 100196), (962, 88010), (1354, 62530), (1690, 50098), (1924, 44005), (2405, 35204), (2708, 31265), (3380, 25049), (3385, 25012), (4810, 17602), (6253, 13540), (6770, 12506), (8801, 9620)]