28332700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 68745600

約数和(自身を除く): 40412900

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, 599, 860, 946, 1075, 1100, 1198, 1892, 2150, 2365, 2396, 2995, 4300, 4730, 5990, 6589, 9460, 11825, 11980, 13178, 14975, 23650, 25757, 26356, 29950, 32945, 47300, 51514, 59900, 65890, 103028, 128785, 131780, 164725, 257570, 283327, 329450, 515140, 566654, 643925, 658900, 1133308, 1287850, 1416635, 2575700, 2833270, 5666540, 7083175, 14166350, 28332700]

約数ペア:

[(1, 28332700), (2, 14166350), (4, 7083175), (5, 5666540), (10, 2833270), (11, 2575700), (20, 1416635), (22, 1287850), (25, 1133308), (43, 658900), (44, 643925), (50, 566654), (55, 515140), (86, 329450), (100, 283327), (110, 257570), (172, 164725), (215, 131780), (220, 128785), (275, 103028), (430, 65890), (473, 59900), (550, 51514), (599, 47300), (860, 32945), (946, 29950), (1075, 26356), (1100, 25757), (1198, 23650), (1892, 14975), (2150, 13178), (2365, 11980), (2396, 11825), (2995, 9460), (4300, 6589), (4730, 5990)]