28830230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20161}}^1$

素因数の和:20192

約数の個数: 32

約数和(自身を含む): 60969888

約数和(自身を除く): 32139658

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20161, 40322, 100805, 201610, 221771, 262093, 443542, 524186, 1108855, 1310465, 2217710, 2620930, 2883023, 5766046, 14415115, 28830230]

約数ペア:

[(1, 28830230), (2, 14415115), (5, 5766046), (10, 2883023), (11, 2620930), (13, 2217710), (22, 1310465), (26, 1108855), (55, 524186), (65, 443542), (110, 262093), (130, 221771), (143, 201610), (286, 100805), (715, 40322), (1430, 20161)]