1665860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4077696

約数和(自身を除く): 2411836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 163, 292, 326, 365, 511, 652, 730, 815, 1022, 1141, 1460, 1630, 2044, 2282, 2555, 3260, 4564, 5110, 5705, 10220, 11410, 11899, 22820, 23798, 47596, 59495, 83293, 118990, 166586, 237980, 333172, 416465, 832930, 1665860]

約数ペア:

[(1, 1665860), (2, 832930), (4, 416465), (5, 333172), (7, 237980), (10, 166586), (14, 118990), (20, 83293), (28, 59495), (35, 47596), (70, 23798), (73, 22820), (140, 11899), (146, 11410), (163, 10220), (292, 5705), (326, 5110), (365, 4564), (511, 3260), (652, 2555), (730, 2282), (815, 2044), (1022, 1630), (1141, 1460)]