289498890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{9679}}^1$

素因数の和:10686

約数の個数: 32

約数和(自身を含む): 695566080

約数和(自身を除く): 406067190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 997, 1994, 2991, 4985, 5982, 9679, 9970, 14955, 19358, 29037, 29910, 48395, 58074, 96790, 145185, 290370, 9649963, 19299926, 28949889, 48249815, 57899778, 96499630, 144749445, 289498890]

約数ペア:

[(1, 289498890), (2, 144749445), (3, 96499630), (5, 57899778), (6, 48249815), (10, 28949889), (15, 19299926), (30, 9649963), (997, 290370), (1994, 145185), (2991, 96790), (4985, 58074), (5982, 48395), (9679, 29910), (9970, 29037), (14955, 19358)]