42271880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 109347840

約数和(自身を除く): 67075960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 677, 892, 1115, 1354, 1561, 1784, 2230, 2708, 3122, 3385, 4460, 4739, 5416, 6244, 6770, 7805, 8920, 9478, 12488, 13540, 15610, 18956, 23695, 27080, 31220, 37912, 47390, 62440, 94780, 150971, 189560, 301942, 603884, 754855, 1056797, 1207768, 1509710, 2113594, 3019420, 4227188, 5283985, 6038840, 8454376, 10567970, 21135940, 42271880]

約数ペア:

[(1, 42271880), (2, 21135940), (4, 10567970), (5, 8454376), (7, 6038840), (8, 5283985), (10, 4227188), (14, 3019420), (20, 2113594), (28, 1509710), (35, 1207768), (40, 1056797), (56, 754855), (70, 603884), (140, 301942), (223, 189560), (280, 150971), (446, 94780), (677, 62440), (892, 47390), (1115, 37912), (1354, 31220), (1561, 27080), (1784, 23695), (2230, 18956), (2708, 15610), (3122, 13540), (3385, 12488), (4460, 9478), (4739, 8920), (5416, 7805), (6244, 6770)]