208174980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266891}}^1$

素因数の和:266916

約数の個数: 48

約数和(自身を含む): 627729984

約数和(自身を除く): 419555004

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, 266891, 533782, 800673, 1067564, 1334455, 1601346, 2668910, 3202692, 3469583, 4003365, 5337820, 6939166, 8006730, 10408749, 13878332, 16013460, 17347915, 20817498, 34695830, 41634996, 52043745, 69391660, 104087490, 208174980]

約数ペア:

[(1, 208174980), (2, 104087490), (3, 69391660), (4, 52043745), (5, 41634996), (6, 34695830), (10, 20817498), (12, 17347915), (13, 16013460), (15, 13878332), (20, 10408749), (26, 8006730), (30, 6939166), (39, 5337820), (52, 4003365), (60, 3469583), (65, 3202692), (78, 2668910), (130, 1601346), (156, 1334455), (195, 1067564), (260, 800673), (390, 533782), (780, 266891)]