17438860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 38374560

約数和(自身を除く): 20935700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 281, 290, 428, 535, 562, 580, 1070, 1124, 1405, 2140, 2810, 3103, 5620, 6206, 8149, 12412, 15515, 16298, 30067, 31030, 32596, 40745, 60134, 62060, 81490, 120268, 150335, 162980, 300670, 601340, 871943, 1743886, 3487772, 4359715, 8719430, 17438860]

約数ペア:

[(1, 17438860), (2, 8719430), (4, 4359715), (5, 3487772), (10, 1743886), (20, 871943), (29, 601340), (58, 300670), (107, 162980), (116, 150335), (145, 120268), (214, 81490), (281, 62060), (290, 60134), (428, 40745), (535, 32596), (562, 31030), (580, 30067), (1070, 16298), (1124, 15515), (1405, 12412), (2140, 8149), (2810, 6206), (3103, 5620)]