130985540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30181}}^1$

素因数の和:30228

約数の個数: 48

約数和(自身を含む): 324516864

約数和(自身を除く): 193531324

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, 30181, 60362, 120724, 150905, 211267, 301810, 422534, 603620, 845068, 935611, 1056335, 1871222, 2112670, 3742444, 4225340, 4678055, 6549277, 9356110, 13098554, 18712220, 26197108, 32746385, 65492770, 130985540]

約数ペア:

[(1, 130985540), (2, 65492770), (4, 32746385), (5, 26197108), (7, 18712220), (10, 13098554), (14, 9356110), (20, 6549277), (28, 4678055), (31, 4225340), (35, 3742444), (62, 2112670), (70, 1871222), (124, 1056335), (140, 935611), (155, 845068), (217, 603620), (310, 422534), (434, 301810), (620, 211267), (868, 150905), (1085, 120724), (2170, 60362), (4340, 30181)]