7820210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 15033600

約数和(自身を除く): 7213390

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 521, 790, 1042, 1501, 2605, 3002, 5210, 7505, 9899, 15010, 19798, 41159, 49495, 82318, 98990, 205795, 411590, 782021, 1564042, 3910105, 7820210]

約数ペア:

[(1, 7820210), (2, 3910105), (5, 1564042), (10, 782021), (19, 411590), (38, 205795), (79, 98990), (95, 82318), (158, 49495), (190, 41159), (395, 19798), (521, 15010), (790, 9899), (1042, 7505), (1501, 5210), (2605, 3002)]