200915440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 512333280

約数和(自身を除く): 311417840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 229, 440, 458, 880, 916, 997, 1145, 1832, 1994, 2290, 2519, 3664, 3988, 4580, 4985, 5038, 7976, 9160, 9970, 10076, 10967, 12595, 15952, 18320, 19940, 20152, 21934, 25190, 39880, 40304, 43868, 50380, 54835, 79760, 87736, 100760, 109670, 175472, 201520, 219340, 228313, 438680, 456626, 877360, 913252, 1141565, 1826504, 2283130, 2511443, 3653008, 4566260, 5022886, 9132520, 10045772, 12557215, 18265040, 20091544, 25114430, 40183088, 50228860, 100457720, 200915440]

約数ペア:

[(1, 200915440), (2, 100457720), (4, 50228860), (5, 40183088), (8, 25114430), (10, 20091544), (11, 18265040), (16, 12557215), (20, 10045772), (22, 9132520), (40, 5022886), (44, 4566260), (55, 3653008), (80, 2511443), (88, 2283130), (110, 1826504), (176, 1141565), (220, 913252), (229, 877360), (440, 456626), (458, 438680), (880, 228313), (916, 219340), (997, 201520), (1145, 175472), (1832, 109670), (1994, 100760), (2290, 87736), (2519, 79760), (3664, 54835), (3988, 50380), (4580, 43868), (4985, 40304), (5038, 39880), (7976, 25190), (9160, 21934), (9970, 20152), (10076, 19940), (10967, 18320), (12595, 15952)]