1818380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 4112640

約数和(自身を除く): 2294260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 67, 92, 115, 118, 134, 230, 236, 268, 295, 335, 460, 590, 670, 1180, 1340, 1357, 1541, 2714, 3082, 3953, 5428, 6164, 6785, 7705, 7906, 13570, 15410, 15812, 19765, 27140, 30820, 39530, 79060, 90919, 181838, 363676, 454595, 909190, 1818380]

約数ペア:

[(1, 1818380), (2, 909190), (4, 454595), (5, 363676), (10, 181838), (20, 90919), (23, 79060), (46, 39530), (59, 30820), (67, 27140), (92, 19765), (115, 15812), (118, 15410), (134, 13570), (230, 7906), (236, 7705), (268, 6785), (295, 6164), (335, 5428), (460, 3953), (590, 3082), (670, 2714), (1180, 1541), (1340, 1357)]