1905800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 4778340

約数和(自身を除く): 2872540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 733, 1300, 1466, 2600, 2932, 3665, 5864, 7330, 9529, 14660, 18325, 19058, 29320, 36650, 38116, 47645, 73300, 76232, 95290, 146600, 190580, 238225, 381160, 476450, 952900, 1905800]

約数ペア:

[(1, 1905800), (2, 952900), (4, 476450), (5, 381160), (8, 238225), (10, 190580), (13, 146600), (20, 95290), (25, 76232), (26, 73300), (40, 47645), (50, 38116), (52, 36650), (65, 29320), (100, 19058), (104, 18325), (130, 14660), (200, 9529), (260, 7330), (325, 5864), (520, 3665), (650, 2932), (733, 2600), (1300, 1466)]