215900580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{514049}}^1$

素因数の和:514068

約数の個数: 48

約数和(自身を含む): 690883200

約数和(自身を除く): 474982620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 514049, 1028098, 1542147, 2056196, 2570245, 3084294, 3598343, 5140490, 6168588, 7196686, 7710735, 10280980, 10795029, 14393372, 15421470, 17991715, 21590058, 30842940, 35983430, 43180116, 53975145, 71966860, 107950290, 215900580]

約数ペア:

[(1, 215900580), (2, 107950290), (3, 71966860), (4, 53975145), (5, 43180116), (6, 35983430), (7, 30842940), (10, 21590058), (12, 17991715), (14, 15421470), (15, 14393372), (20, 10795029), (21, 10280980), (28, 7710735), (30, 7196686), (35, 6168588), (42, 5140490), (60, 3598343), (70, 3084294), (84, 2570245), (105, 2056196), (140, 1542147), (210, 1028098), (420, 514049)]