22778920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 53946000

約数和(自身を除く): 31167080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 269, 290, 292, 365, 538, 580, 584, 730, 1076, 1160, 1345, 1460, 2117, 2152, 2690, 2920, 4234, 5380, 7801, 8468, 10585, 10760, 15602, 16936, 19637, 21170, 31204, 39005, 39274, 42340, 62408, 78010, 78548, 84680, 98185, 156020, 157096, 196370, 312040, 392740, 569473, 785480, 1138946, 2277892, 2847365, 4555784, 5694730, 11389460, 22778920]

約数ペア:

[(1, 22778920), (2, 11389460), (4, 5694730), (5, 4555784), (8, 2847365), (10, 2277892), (20, 1138946), (29, 785480), (40, 569473), (58, 392740), (73, 312040), (116, 196370), (145, 157096), (146, 156020), (232, 98185), (269, 84680), (290, 78548), (292, 78010), (365, 62408), (538, 42340), (580, 39274), (584, 39005), (730, 31204), (1076, 21170), (1160, 19637), (1345, 16936), (1460, 15602), (2117, 10760), (2152, 10585), (2690, 8468), (2920, 7801), (4234, 5380)]