210161875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 60

約数和(自身を含む): 330731632

約数和(自身を除く): 120569757

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 125, 175, 275, 385, 397, 605, 625, 847, 875, 1375, 1925, 1985, 2779, 3025, 4235, 4367, 4375, 6875, 9625, 9925, 13895, 15125, 21175, 21835, 30569, 48037, 48125, 49625, 69475, 75625, 105875, 109175, 152845, 240185, 248125, 336259, 347375, 529375, 545875, 764225, 1200925, 1681295, 1736875, 2729375, 3821125, 6004625, 8406475, 19105625, 30023125, 42032375, 210161875]

約数ペア:

[(1, 210161875), (5, 42032375), (7, 30023125), (11, 19105625), (25, 8406475), (35, 6004625), (55, 3821125), (77, 2729375), (121, 1736875), (125, 1681295), (175, 1200925), (275, 764225), (385, 545875), (397, 529375), (605, 347375), (625, 336259), (847, 248125), (875, 240185), (1375, 152845), (1925, 109175), (1985, 105875), (2779, 75625), (3025, 69475), (4235, 49625), (4367, 48125), (4375, 48037), (6875, 30569), (9625, 21835), (9925, 21175), (13895, 15125)]