489243560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{940853}}^1$

素因数の和:940877

約数の個数: 32

約数和(自身を含む): 1185476040

約数和(自身を除く): 696232480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 940853, 1881706, 3763412, 4704265, 7526824, 9408530, 12231089, 18817060, 24462178, 37634120, 48924356, 61155445, 97848712, 122310890, 244621780, 489243560]

約数ペア:

[(1, 489243560), (2, 244621780), (4, 122310890), (5, 97848712), (8, 61155445), (10, 48924356), (13, 37634120), (20, 24462178), (26, 18817060), (40, 12231089), (52, 9408530), (65, 7526824), (104, 4704265), (130, 3763412), (260, 1881706), (520, 940853)]