64151950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 122760000

約数和(自身を除く): 58608050

約数列:

[1, 2, 5, 10, 25, 50, 79, 109, 149, 158, 218, 298, 395, 545, 745, 790, 1090, 1490, 1975, 2725, 3725, 3950, 5450, 7450, 8611, 11771, 16241, 17222, 23542, 32482, 43055, 58855, 81205, 86110, 117710, 162410, 215275, 294275, 406025, 430550, 588550, 812050, 1283039, 2566078, 6415195, 12830390, 32075975, 64151950]

約数ペア:

[(1, 64151950), (2, 32075975), (5, 12830390), (10, 6415195), (25, 2566078), (50, 1283039), (79, 812050), (109, 588550), (149, 430550), (158, 406025), (218, 294275), (298, 215275), (395, 162410), (545, 117710), (745, 86110), (790, 81205), (1090, 58855), (1490, 43055), (1975, 32482), (2725, 23542), (3725, 17222), (3950, 16241), (5450, 11771), (7450, 8611)]