287347880

素因数分解:

$2^3\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{4831}}^1$

素因数の和:6329

約数の個数: 32

約数和(自身を含む): 647101440

約数和(自身を除く): 359753560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1487, 2974, 4831, 5948, 7435, 9662, 11896, 14870, 19324, 24155, 29740, 38648, 48310, 59480, 96620, 193240, 7183697, 14367394, 28734788, 35918485, 57469576, 71836970, 143673940, 287347880]

約数ペア:

[(1, 287347880), (2, 143673940), (4, 71836970), (5, 57469576), (8, 35918485), (10, 28734788), (20, 14367394), (40, 7183697), (1487, 193240), (2974, 96620), (4831, 59480), (5948, 48310), (7435, 38648), (9662, 29740), (11896, 24155), (14870, 19324)]