28472410

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 52390800

約数和(自身を除く): 23918390

約数列:

[1, 2, 5, 10, 97, 149, 194, 197, 298, 394, 485, 745, 970, 985, 1490, 1970, 14453, 19109, 28906, 29353, 38218, 58706, 72265, 95545, 144530, 146765, 191090, 293530, 2847241, 5694482, 14236205, 28472410]

約数ペア:

[(1, 28472410), (2, 14236205), (5, 5694482), (10, 2847241), (97, 293530), (149, 191090), (194, 146765), (197, 144530), (298, 95545), (394, 72265), (485, 58706), (745, 38218), (970, 29353), (985, 28906), (1490, 19109), (1970, 14453)]