77479220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42571}}^1$

素因数の和:42600

約数の個数: 48

約数和(自身を含む): 200258688

約数和(自身を除く): 122779468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42571, 85142, 170284, 212855, 297997, 425710, 553423, 595994, 851420, 1106846, 1191988, 1489985, 2213692, 2767115, 2979970, 3873961, 5534230, 5959940, 7747922, 11068460, 15495844, 19369805, 38739610, 77479220]

約数ペア:

[(1, 77479220), (2, 38739610), (4, 19369805), (5, 15495844), (7, 11068460), (10, 7747922), (13, 5959940), (14, 5534230), (20, 3873961), (26, 2979970), (28, 2767115), (35, 2213692), (52, 1489985), (65, 1191988), (70, 1106846), (91, 851420), (130, 595994), (140, 553423), (182, 425710), (260, 297997), (364, 212855), (455, 170284), (910, 85142), (1820, 42571)]