898893520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2371}}^1$

素因数の和:3068

約数の個数: 80

約数和(自身を含む): 2393025408

約数和(自身を除く): 1494131888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 677, 1354, 2371, 2708, 3385, 4739, 4742, 5416, 6770, 9478, 9484, 10832, 11855, 13540, 16597, 18956, 18968, 23695, 23710, 27080, 33194, 37912, 37936, 47390, 47420, 54160, 66388, 75824, 82985, 94780, 94840, 132776, 165970, 189560, 189680, 265552, 331940, 379120, 663880, 1327760, 1605167, 3210334, 6420668, 8025835, 11236169, 12841336, 16051670, 22472338, 25682672, 32103340, 44944676, 56180845, 64206680, 89889352, 112361690, 128413360, 179778704, 224723380, 449446760, 898893520]

約数ペア:

[(1, 898893520), (2, 449446760), (4, 224723380), (5, 179778704), (7, 128413360), (8, 112361690), (10, 89889352), (14, 64206680), (16, 56180845), (20, 44944676), (28, 32103340), (35, 25682672), (40, 22472338), (56, 16051670), (70, 12841336), (80, 11236169), (112, 8025835), (140, 6420668), (280, 3210334), (560, 1605167), (677, 1327760), (1354, 663880), (2371, 379120), (2708, 331940), (3385, 265552), (4739, 189680), (4742, 189560), (5416, 165970), (6770, 132776), (9478, 94840), (9484, 94780), (10832, 82985), (11855, 75824), (13540, 66388), (16597, 54160), (18956, 47420), (18968, 47390), (23695, 37936), (23710, 37912), (27080, 33194)]