7999685980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{215161}}^1$

素因数の和:215207

約数の個数: 72

約数和(自身を含む): 19844821584

約数和(自身を除く): 11845135604

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 7436, 9295, 18590, 37180, 215161, 430322, 860644, 1075805, 2151610, 2366771, 2797093, 4303220, 4733542, 5594186, 9467084, 11188372, 11833855, 13985465, 23667710, 27970930, 30768023, 36362209, 47335420, 55941860, 61536046, 72724418, 123072092, 145448836, 153840115, 181811045, 307680230, 363622090, 399984299, 615360460, 727244180, 799968598, 1599937196, 1999921495, 3999842990, 7999685980]

約数ペア:

[(1, 7999685980), (2, 3999842990), (4, 1999921495), (5, 1599937196), (10, 799968598), (11, 727244180), (13, 615360460), (20, 399984299), (22, 363622090), (26, 307680230), (44, 181811045), (52, 153840115), (55, 145448836), (65, 123072092), (110, 72724418), (130, 61536046), (143, 55941860), (169, 47335420), (220, 36362209), (260, 30768023), (286, 27970930), (338, 23667710), (572, 13985465), (676, 11833855), (715, 11188372), (845, 9467084), (1430, 5594186), (1690, 4733542), (1859, 4303220), (2860, 2797093), (3380, 2366771), (3718, 2151610), (7436, 1075805), (9295, 860644), (18590, 430322), (37180, 215161)]