131249940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75431}}^1$

素因数の和:75472

約数の個数: 48

約数和(自身を含む): 380177280

約数和(自身を除く): 248927340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 75431, 150862, 226293, 301724, 377155, 452586, 754310, 905172, 1131465, 1508620, 2187499, 2262930, 4374998, 4525860, 6562497, 8749996, 10937495, 13124994, 21874990, 26249988, 32812485, 43749980, 65624970, 131249940]

約数ペア:

[(1, 131249940), (2, 65624970), (3, 43749980), (4, 32812485), (5, 26249988), (6, 21874990), (10, 13124994), (12, 10937495), (15, 8749996), (20, 6562497), (29, 4525860), (30, 4374998), (58, 2262930), (60, 2187499), (87, 1508620), (116, 1131465), (145, 905172), (174, 754310), (290, 452586), (348, 377155), (435, 301724), (580, 226293), (870, 150862), (1740, 75431)]