149778980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18583}}^1$

素因数の和:18636

約数の個数: 48

約数和(自身を含む): 349676544

約数和(自身を除く): 199897564

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, 18583, 37166, 74332, 92915, 185830, 241579, 371660, 483158, 576073, 966316, 1152146, 1207895, 2304292, 2415790, 2880365, 4831580, 5760730, 7488949, 11521460, 14977898, 29955796, 37444745, 74889490, 149778980]

約数ペア:

[(1, 149778980), (2, 74889490), (4, 37444745), (5, 29955796), (10, 14977898), (13, 11521460), (20, 7488949), (26, 5760730), (31, 4831580), (52, 2880365), (62, 2415790), (65, 2304292), (124, 1207895), (130, 1152146), (155, 966316), (260, 576073), (310, 483158), (403, 371660), (620, 241579), (806, 185830), (1612, 92915), (2015, 74332), (4030, 37166), (8060, 18583)]