222750740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{5261}}^1$

素因数の和:5372

約数の個数: 48

約数和(自身を含む): 490628880

約数和(自身を除く): 267878140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 4234, 5261, 8468, 10522, 10585, 21044, 21170, 26305, 42340, 52610, 105220, 152569, 305138, 384053, 610276, 762845, 768106, 1525690, 1536212, 1920265, 3051380, 3840530, 7681060, 11137537, 22275074, 44550148, 55687685, 111375370, 222750740]

約数ペア:

[(1, 222750740), (2, 111375370), (4, 55687685), (5, 44550148), (10, 22275074), (20, 11137537), (29, 7681060), (58, 3840530), (73, 3051380), (116, 1920265), (145, 1536212), (146, 1525690), (290, 768106), (292, 762845), (365, 610276), (580, 384053), (730, 305138), (1460, 152569), (2117, 105220), (4234, 52610), (5261, 42340), (8468, 26305), (10522, 21170), (10585, 21044)]