204618880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8641}}^1$

素因数の和:8697

約数の個数: 64

約数和(自身を含む): 502445880

約数和(自身を除く): 297827000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 8641, 11840, 17282, 23680, 34564, 43205, 69128, 86410, 138256, 172820, 276512, 319717, 345640, 553024, 639434, 691280, 1106048, 1278868, 1382560, 1598585, 2557736, 2765120, 3197170, 5115472, 5530240, 6394340, 10230944, 12788680, 20461888, 25577360, 40923776, 51154720, 102309440, 204618880]

約数ペア:

[(1, 204618880), (2, 102309440), (4, 51154720), (5, 40923776), (8, 25577360), (10, 20461888), (16, 12788680), (20, 10230944), (32, 6394340), (37, 5530240), (40, 5115472), (64, 3197170), (74, 2765120), (80, 2557736), (128, 1598585), (148, 1382560), (160, 1278868), (185, 1106048), (296, 691280), (320, 639434), (370, 553024), (592, 345640), (640, 319717), (740, 276512), (1184, 172820), (1480, 138256), (2368, 86410), (2960, 69128), (4736, 43205), (5920, 34564), (8641, 23680), (11840, 17282)]