1984702990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1489}}^1\times {\mathrm{3251}}^1$

素因数の和:4788

約数の個数: 32

約数和(自身を含む): 3663182880

約数和(自身を除く): 1678479890

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1489, 2978, 3251, 6502, 7445, 14890, 16255, 32510, 61049, 122098, 133291, 266582, 305245, 610490, 666455, 1332910, 4840739, 9681478, 24203695, 48407390, 198470299, 396940598, 992351495, 1984702990]

約数ペア:

[(1, 1984702990), (2, 992351495), (5, 396940598), (10, 198470299), (41, 48407390), (82, 24203695), (205, 9681478), (410, 4840739), (1489, 1332910), (2978, 666455), (3251, 610490), (6502, 305245), (7445, 266582), (14890, 133291), (16255, 122098), (32510, 61049)]