902347780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{4987}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 1935743040

約数和(自身を除く): 1033395260

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 166, 218, 332, 415, 436, 545, 830, 1090, 1660, 2180, 4987, 9047, 9974, 18094, 19948, 24935, 36188, 45235, 49870, 90470, 99740, 180940, 413921, 543583, 827842, 1087166, 1655684, 2069605, 2174332, 2717915, 4139210, 5435830, 8278420, 10871660, 45117389, 90234778, 180469556, 225586945, 451173890, 902347780]

約数ペア:

[(1, 902347780), (2, 451173890), (4, 225586945), (5, 180469556), (10, 90234778), (20, 45117389), (83, 10871660), (109, 8278420), (166, 5435830), (218, 4139210), (332, 2717915), (415, 2174332), (436, 2069605), (545, 1655684), (830, 1087166), (1090, 827842), (1660, 543583), (2180, 413921), (4987, 180940), (9047, 99740), (9974, 90470), (18094, 49870), (19948, 45235), (24935, 36188)]