138672280

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{14879}}^1$

素因数の和:15123

約数の個数: 32

約数和(自身を含む): 313372800

約数和(自身を除く): 174700520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 14879, 29758, 59516, 74395, 119032, 148790, 297580, 595160, 3466807, 6933614, 13867228, 17334035, 27734456, 34668070, 69336140, 138672280]

約数ペア:

[(1, 138672280), (2, 69336140), (4, 34668070), (5, 27734456), (8, 17334035), (10, 13867228), (20, 6933614), (40, 3466807), (233, 595160), (466, 297580), (932, 148790), (1165, 119032), (1864, 74395), (2330, 59516), (4660, 29758), (9320, 14879)]