199717120

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4275

約数の個数: 72

約数和(自身を含む): 491430744

約数和(自身を除く): 291713624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 2368, 2960, 4217, 4736, 5920, 8434, 9472, 11840, 16868, 21085, 23680, 33736, 42170, 47360, 67472, 84340, 134944, 156029, 168680, 269888, 312058, 337360, 539776, 624116, 674720, 780145, 1079552, 1248232, 1349440, 1560290, 2496464, 2698880, 3120580, 4992928, 5397760, 6241160, 9985856, 12482320, 19971712, 24964640, 39943424, 49929280, 99858560, 199717120]

約数ペア:

[(1, 199717120), (2, 99858560), (4, 49929280), (5, 39943424), (8, 24964640), (10, 19971712), (16, 12482320), (20, 9985856), (32, 6241160), (37, 5397760), (40, 4992928), (64, 3120580), (74, 2698880), (80, 2496464), (128, 1560290), (148, 1349440), (160, 1248232), (185, 1079552), (256, 780145), (296, 674720), (320, 624116), (370, 539776), (592, 337360), (640, 312058), (740, 269888), (1184, 168680), (1280, 156029), (1480, 134944), (2368, 84340), (2960, 67472), (4217, 47360), (4736, 42170), (5920, 33736), (8434, 23680), (9472, 21085), (11840, 16868)]