123259890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316051}}^1$

素因数の和:316074

約数の個数: 32

約数和(自身を含む): 318580416

約数和(自身を除く): 195320526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 316051, 632102, 948153, 1580255, 1896306, 3160510, 4108663, 4740765, 8217326, 9481530, 12325989, 20543315, 24651978, 41086630, 61629945, 123259890]

約数ペア:

[(1, 123259890), (2, 61629945), (3, 41086630), (5, 24651978), (6, 20543315), (10, 12325989), (13, 9481530), (15, 8217326), (26, 4740765), (30, 4108663), (39, 3160510), (65, 1896306), (78, 1580255), (130, 948153), (195, 632102), (390, 316051)]