179905960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1249}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 437850000

約数和(自身を除く): 257944040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 554, 1108, 1249, 1385, 2216, 2498, 2770, 3601, 4996, 5540, 6245, 7202, 9992, 11080, 12490, 14404, 16237, 18005, 24980, 28808, 32474, 36010, 49960, 64948, 72020, 81185, 129896, 144040, 162370, 324740, 345973, 649480, 691946, 1383892, 1729865, 2767784, 3459730, 4497649, 6919460, 8995298, 13838920, 17990596, 22488245, 35981192, 44976490, 89952980, 179905960]

約数ペア:

[(1, 179905960), (2, 89952980), (4, 44976490), (5, 35981192), (8, 22488245), (10, 17990596), (13, 13838920), (20, 8995298), (26, 6919460), (40, 4497649), (52, 3459730), (65, 2767784), (104, 1729865), (130, 1383892), (260, 691946), (277, 649480), (520, 345973), (554, 324740), (1108, 162370), (1249, 144040), (1385, 129896), (2216, 81185), (2498, 72020), (2770, 64948), (3601, 49960), (4996, 36010), (5540, 32474), (6245, 28808), (7202, 24980), (9992, 18005), (11080, 16237), (12490, 14404)]