276972540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{355093}}^1$

素因数の和:355118

約数の個数: 48

約数和(自身を含む): 835181088

約数和(自身を除く): 558208548

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, 355093, 710186, 1065279, 1420372, 1775465, 2130558, 3550930, 4261116, 4616209, 5326395, 7101860, 9232418, 10652790, 13848627, 18464836, 21305580, 23081045, 27697254, 46162090, 55394508, 69243135, 92324180, 138486270, 276972540]

約数ペア:

[(1, 276972540), (2, 138486270), (3, 92324180), (4, 69243135), (5, 55394508), (6, 46162090), (10, 27697254), (12, 23081045), (13, 21305580), (15, 18464836), (20, 13848627), (26, 10652790), (30, 9232418), (39, 7101860), (52, 5326395), (60, 4616209), (65, 4261116), (78, 3550930), (130, 2130558), (156, 1775465), (195, 1420372), (260, 1065279), (390, 710186), (780, 355093)]