131298020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30253}}^1$

素因数の和:30300

約数の個数: 48

約数和(自身を含む): 325291008

約数和(自身を除く): 193992988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 30253, 60506, 121012, 151265, 211771, 302530, 423542, 605060, 847084, 937843, 1058855, 1875686, 2117710, 3751372, 4235420, 4689215, 6564901, 9378430, 13129802, 18756860, 26259604, 32824505, 65649010, 131298020]

約数ペア:

[(1, 131298020), (2, 65649010), (4, 32824505), (5, 26259604), (7, 18756860), (10, 13129802), (14, 9378430), (20, 6564901), (28, 4689215), (31, 4235420), (35, 3751372), (62, 2117710), (70, 1875686), (124, 1058855), (140, 937843), (155, 847084), (217, 605060), (310, 423542), (434, 302530), (620, 211771), (868, 151265), (1085, 121012), (2170, 60506), (4340, 30253)]