401234450

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 763076160

約数和(自身を除く): 361841710

約数列:

[1, 2, 5, 10, 25, 50, 83, 109, 166, 218, 415, 545, 830, 887, 1090, 1774, 2075, 2725, 4150, 4435, 5450, 8870, 9047, 18094, 22175, 44350, 45235, 73621, 90470, 96683, 147242, 193366, 226175, 368105, 452350, 483415, 736210, 966830, 1840525, 2417075, 3681050, 4834150, 8024689, 16049378, 40123445, 80246890, 200617225, 401234450]

約数ペア:

[(1, 401234450), (2, 200617225), (5, 80246890), (10, 40123445), (25, 16049378), (50, 8024689), (83, 4834150), (109, 3681050), (166, 2417075), (218, 1840525), (415, 966830), (545, 736210), (830, 483415), (887, 452350), (1090, 368105), (1774, 226175), (2075, 193366), (2725, 147242), (4150, 96683), (4435, 90470), (5450, 73621), (8870, 45235), (9047, 44350), (18094, 22175)]