199057820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24697}}^1$

素因数の和:24750

約数の個数: 48

約数和(自身を含む): 464717568

約数和(自身を除く): 265659748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 24697, 49394, 98788, 123485, 246970, 321061, 493940, 642122, 765607, 1284244, 1531214, 1605305, 3062428, 3210610, 3828035, 6421220, 7656070, 9952891, 15312140, 19905782, 39811564, 49764455, 99528910, 199057820]

約数ペア:

[(1, 199057820), (2, 99528910), (4, 49764455), (5, 39811564), (10, 19905782), (13, 15312140), (20, 9952891), (26, 7656070), (31, 6421220), (52, 3828035), (62, 3210610), (65, 3062428), (124, 1605305), (130, 1531214), (155, 1284244), (260, 765607), (310, 642122), (403, 493940), (620, 321061), (806, 246970), (1612, 123485), (2015, 98788), (4030, 49394), (8060, 24697)]