307879260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394717}}^1$

素因数の和:394742

約数の個数: 48

約数和(自身を含む): 928376736

約数和(自身を除く): 620497476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 394717, 789434, 1184151, 1578868, 1973585, 2368302, 3947170, 4736604, 5131321, 5920755, 7894340, 10262642, 11841510, 15393963, 20525284, 23683020, 25656605, 30787926, 51313210, 61575852, 76969815, 102626420, 153939630, 307879260]

約数ペア:

[(1, 307879260), (2, 153939630), (3, 102626420), (4, 76969815), (5, 61575852), (6, 51313210), (10, 30787926), (12, 25656605), (13, 23683020), (15, 20525284), (20, 15393963), (26, 11841510), (30, 10262642), (39, 7894340), (52, 5920755), (60, 5131321), (65, 4736604), (78, 3947170), (130, 2368302), (156, 1973585), (195, 1578868), (260, 1184151), (390, 789434), (780, 394717)]