31240540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 69058080

約数和(自身を除く): 37817540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 883, 1220, 1766, 1769, 3532, 3538, 4415, 7076, 8830, 8845, 17660, 17690, 25607, 35380, 51214, 53863, 102428, 107726, 128035, 215452, 256070, 269315, 512140, 538630, 1077260, 1562027, 3124054, 6248108, 7810135, 15620270, 31240540]

約数ペア:

[(1, 31240540), (2, 15620270), (4, 7810135), (5, 6248108), (10, 3124054), (20, 1562027), (29, 1077260), (58, 538630), (61, 512140), (116, 269315), (122, 256070), (145, 215452), (244, 128035), (290, 107726), (305, 102428), (580, 53863), (610, 51214), (883, 35380), (1220, 25607), (1766, 17690), (1769, 17660), (3532, 8845), (3538, 8830), (4415, 7076)]