290272220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{66883}}^1$

素因数の和:66930

約数の個数: 48

約数和(自身を含む): 719136768

約数和(自身を除く): 428864548

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, 66883, 133766, 267532, 334415, 468181, 668830, 936362, 1337660, 1872724, 2073373, 2340905, 4146746, 4681810, 8293492, 9363620, 10366865, 14513611, 20733730, 29027222, 41467460, 58054444, 72568055, 145136110, 290272220]

約数ペア:

[(1, 290272220), (2, 145136110), (4, 72568055), (5, 58054444), (7, 41467460), (10, 29027222), (14, 20733730), (20, 14513611), (28, 10366865), (31, 9363620), (35, 8293492), (62, 4681810), (70, 4146746), (124, 2340905), (140, 2073373), (155, 1872724), (217, 1337660), (310, 936362), (434, 668830), (620, 468181), (868, 334415), (1085, 267532), (2170, 133766), (4340, 66883)]