28349940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5981}}^1$

素因数の和:6072

約数の個数: 48

約数和(自身を含む): 80398080

約数和(自身を除く): 52048140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 5981, 11962, 17943, 23924, 29905, 35886, 59810, 71772, 89715, 119620, 179430, 358860, 472499, 944998, 1417497, 1889996, 2362495, 2834994, 4724990, 5669988, 7087485, 9449980, 14174970, 28349940]

約数ペア:

[(1, 28349940), (2, 14174970), (3, 9449980), (4, 7087485), (5, 5669988), (6, 4724990), (10, 2834994), (12, 2362495), (15, 1889996), (20, 1417497), (30, 944998), (60, 472499), (79, 358860), (158, 179430), (237, 119620), (316, 89715), (395, 71772), (474, 59810), (790, 35886), (948, 29905), (1185, 23924), (1580, 17943), (2370, 11962), (4740, 5981)]