213922120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 496329840

約数和(自身を除く): 282407720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 488, 584, 610, 730, 1201, 1220, 1460, 2402, 2440, 2920, 4453, 4804, 6005, 8906, 9608, 12010, 17812, 22265, 24020, 35624, 44530, 48040, 73261, 87673, 89060, 146522, 175346, 178120, 293044, 350692, 366305, 438365, 586088, 701384, 732610, 876730, 1465220, 1753460, 2930440, 3506920, 5348053, 10696106, 21392212, 26740265, 42784424, 53480530, 106961060, 213922120]

約数ペア:

[(1, 213922120), (2, 106961060), (4, 53480530), (5, 42784424), (8, 26740265), (10, 21392212), (20, 10696106), (40, 5348053), (61, 3506920), (73, 2930440), (122, 1753460), (146, 1465220), (244, 876730), (292, 732610), (305, 701384), (365, 586088), (488, 438365), (584, 366305), (610, 350692), (730, 293044), (1201, 178120), (1220, 175346), (1460, 146522), (2402, 89060), (2440, 87673), (2920, 73261), (4453, 48040), (4804, 44530), (6005, 35624), (8906, 24020), (9608, 22265), (12010, 17812)]