187712440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151381}}^1$

素因数の和:151423

約数の個数: 32

約数和(自身を含む): 435980160

約数和(自身を除く): 248267720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 151381, 302762, 605524, 756905, 1211048, 1513810, 3027620, 4692811, 6055240, 9385622, 18771244, 23464055, 37542488, 46928110, 93856220, 187712440]

約数ペア:

[(1, 187712440), (2, 93856220), (4, 46928110), (5, 37542488), (8, 23464055), (10, 18771244), (20, 9385622), (31, 6055240), (40, 4692811), (62, 3027620), (124, 1513810), (155, 1211048), (248, 756905), (310, 605524), (620, 302762), (1240, 151381)]