2017668940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{236261}}^1$

素因数の和:236338

約数の個数: 48

約数和(自身を含む): 4921809984

約数和(自身を除く): 2904141044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 236261, 472522, 945044, 1181305, 1653827, 2362610, 3307654, 4725220, 6615308, 8269135, 14411921, 16538270, 28823842, 33076540, 57647684, 72059605, 100883447, 144119210, 201766894, 288238420, 403533788, 504417235, 1008834470, 2017668940]

約数ペア:

[(1, 2017668940), (2, 1008834470), (4, 504417235), (5, 403533788), (7, 288238420), (10, 201766894), (14, 144119210), (20, 100883447), (28, 72059605), (35, 57647684), (61, 33076540), (70, 28823842), (122, 16538270), (140, 14411921), (244, 8269135), (305, 6615308), (427, 4725220), (610, 3307654), (854, 2362610), (1220, 1653827), (1708, 1181305), (2135, 945044), (4270, 472522), (8540, 236261)]