251239940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{105563}}^1$

素因数の和:105596

約数の個数: 48

約数和(自身を含む): 638451072

約数和(自身を除く): 387211132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 105563, 211126, 422252, 527815, 738941, 1055630, 1477882, 1794571, 2111260, 2955764, 3589142, 3694705, 7178284, 7389410, 8972855, 12561997, 14778820, 17945710, 25123994, 35891420, 50247988, 62809985, 125619970, 251239940]

約数ペア:

[(1, 251239940), (2, 125619970), (4, 62809985), (5, 50247988), (7, 35891420), (10, 25123994), (14, 17945710), (17, 14778820), (20, 12561997), (28, 8972855), (34, 7389410), (35, 7178284), (68, 3694705), (70, 3589142), (85, 2955764), (119, 2111260), (140, 1794571), (170, 1477882), (238, 1055630), (340, 738941), (476, 527815), (595, 422252), (1190, 211126), (2380, 105563)]