1645115380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{9391}}^1$

素因数の和:9880

約数の個数: 48

約数和(自身を含む): 3644847360

約数和(自身を除く): 1999731980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 461, 922, 1844, 2305, 4610, 8759, 9220, 9391, 17518, 18782, 35036, 37564, 43795, 46955, 87590, 93910, 175180, 178429, 187820, 356858, 713716, 892145, 1784290, 3568580, 4329251, 8658502, 17317004, 21646255, 43292510, 82255769, 86585020, 164511538, 329023076, 411278845, 822557690, 1645115380]

約数ペア:

[(1, 1645115380), (2, 822557690), (4, 411278845), (5, 329023076), (10, 164511538), (19, 86585020), (20, 82255769), (38, 43292510), (76, 21646255), (95, 17317004), (190, 8658502), (380, 4329251), (461, 3568580), (922, 1784290), (1844, 892145), (2305, 713716), (4610, 356858), (8759, 187820), (9220, 178429), (9391, 175180), (17518, 93910), (18782, 87590), (35036, 46955), (37564, 43795)]