499432880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 1185218784

約数和(自身を除く): 685785904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 113, 202, 226, 404, 452, 505, 547, 565, 808, 904, 1010, 1094, 1130, 1616, 1808, 2020, 2188, 2260, 2735, 4040, 4376, 4520, 5470, 8080, 8752, 9040, 10940, 11413, 21880, 22826, 43760, 45652, 55247, 57065, 61811, 91304, 110494, 114130, 123622, 182608, 220988, 228260, 247244, 276235, 309055, 441976, 456520, 494488, 552470, 618110, 883952, 913040, 988976, 1104940, 1236220, 2209880, 2472440, 4419760, 4944880, 6242911, 12485822, 24971644, 31214555, 49943288, 62429110, 99886576, 124858220, 249716440, 499432880]

約数ペア:

[(1, 499432880), (2, 249716440), (4, 124858220), (5, 99886576), (8, 62429110), (10, 49943288), (16, 31214555), (20, 24971644), (40, 12485822), (80, 6242911), (101, 4944880), (113, 4419760), (202, 2472440), (226, 2209880), (404, 1236220), (452, 1104940), (505, 988976), (547, 913040), (565, 883952), (808, 618110), (904, 552470), (1010, 494488), (1094, 456520), (1130, 441976), (1616, 309055), (1808, 276235), (2020, 247244), (2188, 228260), (2260, 220988), (2735, 182608), (4040, 123622), (4376, 114130), (4520, 110494), (5470, 91304), (8080, 61811), (8752, 57065), (9040, 55247), (10940, 45652), (11413, 43760), (21880, 22826)]