205274320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1013}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 509230800

約数和(自身を除く): 303956480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 596, 680, 745, 1013, 1192, 1360, 1490, 2026, 2384, 2533, 2980, 4052, 5065, 5066, 5960, 8104, 10130, 10132, 11920, 12665, 16208, 17221, 20260, 20264, 25330, 34442, 40520, 40528, 50660, 68884, 81040, 86105, 101320, 137768, 150937, 172210, 202640, 275536, 301874, 344420, 603748, 688840, 754685, 1207496, 1377680, 1509370, 2414992, 2565929, 3018740, 5131858, 6037480, 10263716, 12074960, 12829645, 20527432, 25659290, 41054864, 51318580, 102637160, 205274320]

約数ペア:

[(1, 205274320), (2, 102637160), (4, 51318580), (5, 41054864), (8, 25659290), (10, 20527432), (16, 12829645), (17, 12074960), (20, 10263716), (34, 6037480), (40, 5131858), (68, 3018740), (80, 2565929), (85, 2414992), (136, 1509370), (149, 1377680), (170, 1207496), (272, 754685), (298, 688840), (340, 603748), (596, 344420), (680, 301874), (745, 275536), (1013, 202640), (1192, 172210), (1360, 150937), (1490, 137768), (2026, 101320), (2384, 86105), (2533, 81040), (2980, 68884), (4052, 50660), (5065, 40528), (5066, 40520), (5960, 34442), (8104, 25330), (10130, 20264), (10132, 20260), (11920, 17221), (12665, 16208)]