2904294520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2342173}}^1$

素因数の和:2342215

約数の個数: 32

約数和(自身を含む): 6745461120

約数和(自身を除く): 3841166600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2342173, 4684346, 9368692, 11710865, 18737384, 23421730, 46843460, 72607363, 93686920, 145214726, 290429452, 363036815, 580858904, 726073630, 1452147260, 2904294520]

約数ペア:

[(1, 2904294520), (2, 1452147260), (4, 726073630), (5, 580858904), (8, 363036815), (10, 290429452), (20, 145214726), (31, 93686920), (40, 72607363), (62, 46843460), (124, 23421730), (155, 18737384), (248, 11710865), (310, 9368692), (620, 4684346), (1240, 2342173)]