221061520

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{37853}}^1$

素因数の和:37939

約数の個数: 40

約数和(自身を含む): 521022456

約数和(自身を除く): 299960936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 37853, 75706, 151412, 189265, 302824, 378530, 605648, 757060, 1514120, 2763269, 3028240, 5526538, 11053076, 13816345, 22106152, 27632690, 44212304, 55265380, 110530760, 221061520]

約数ペア:

[(1, 221061520), (2, 110530760), (4, 55265380), (5, 44212304), (8, 27632690), (10, 22106152), (16, 13816345), (20, 11053076), (40, 5526538), (73, 3028240), (80, 2763269), (146, 1514120), (292, 757060), (365, 605648), (584, 378530), (730, 302824), (1168, 189265), (1460, 151412), (2920, 75706), (5840, 37853)]