444868180

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 944536320

約数和(自身を除く): 499668140

約数列:

[1, 2, 4, 5, 10, 20, 211, 271, 389, 422, 542, 778, 844, 1055, 1084, 1355, 1556, 1945, 2110, 2710, 3890, 4220, 5420, 7780, 57181, 82079, 105419, 114362, 164158, 210838, 228724, 285905, 328316, 410395, 421676, 527095, 571810, 820790, 1054190, 1143620, 1641580, 2108380, 22243409, 44486818, 88973636, 111217045, 222434090, 444868180]

約数ペア:

[(1, 444868180), (2, 222434090), (4, 111217045), (5, 88973636), (10, 44486818), (20, 22243409), (211, 2108380), (271, 1641580), (389, 1143620), (422, 1054190), (542, 820790), (778, 571810), (844, 527095), (1055, 421676), (1084, 410395), (1355, 328316), (1556, 285905), (1945, 228724), (2110, 210838), (2710, 164158), (3890, 114362), (4220, 105419), (5420, 82079), (7780, 57181)]