22905025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 11467775

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 143, 149, 215, 275, 325, 473, 559, 715, 745, 1075, 1639, 1937, 2365, 2795, 3575, 3725, 6149, 6407, 8195, 9685, 11825, 13975, 21307, 30745, 32035, 40975, 48425, 70477, 83291, 106535, 153725, 160175, 352385, 416455, 532675, 916201, 1761925, 2082275, 4581005, 22905025]

約数ペア:

[(1, 22905025), (5, 4581005), (11, 2082275), (13, 1761925), (25, 916201), (43, 532675), (55, 416455), (65, 352385), (143, 160175), (149, 153725), (215, 106535), (275, 83291), (325, 70477), (473, 48425), (559, 40975), (715, 32035), (745, 30745), (1075, 21307), (1639, 13975), (1937, 11825), (2365, 9685), (2795, 8195), (3575, 6407), (3725, 6149)]