56428900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 136803744

約数和(自身を除く): 80374844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 430, 473, 550, 860, 946, 1075, 1100, 1193, 1892, 2150, 2365, 2386, 4300, 4730, 4772, 5965, 9460, 11825, 11930, 13123, 23650, 23860, 26246, 29825, 47300, 51299, 52492, 59650, 65615, 102598, 119300, 131230, 205196, 256495, 262460, 328075, 512990, 564289, 656150, 1025980, 1128578, 1282475, 1312300, 2257156, 2564950, 2821445, 5129900, 5642890, 11285780, 14107225, 28214450, 56428900]

約数ペア:

[(1, 56428900), (2, 28214450), (4, 14107225), (5, 11285780), (10, 5642890), (11, 5129900), (20, 2821445), (22, 2564950), (25, 2257156), (43, 1312300), (44, 1282475), (50, 1128578), (55, 1025980), (86, 656150), (100, 564289), (110, 512990), (172, 328075), (215, 262460), (220, 256495), (275, 205196), (430, 131230), (473, 119300), (550, 102598), (860, 65615), (946, 59650), (1075, 52492), (1100, 51299), (1193, 47300), (1892, 29825), (2150, 26246), (2365, 23860), (2386, 23650), (4300, 13123), (4730, 11930), (4772, 11825), (5965, 9460)]