191370920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{368021}}^1$

素因数の和:368045

約数の個数: 32

約数和(自身を含む): 463707720

約数和(自身を除く): 272336800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 368021, 736042, 1472084, 1840105, 2944168, 3680210, 4784273, 7360420, 9568546, 14720840, 19137092, 23921365, 38274184, 47842730, 95685460, 191370920]

約数ペア:

[(1, 191370920), (2, 95685460), (4, 47842730), (5, 38274184), (8, 23921365), (10, 19137092), (13, 14720840), (20, 9568546), (26, 7360420), (40, 4784273), (52, 3680210), (65, 2944168), (104, 1840105), (130, 1472084), (260, 736042), (520, 368021)]