919417720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{15647}}^1$

素因数の和:15784

約数の個数: 64

約数和(自身を含む): 2247678720

約数和(自身を除く): 1328261000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 520, 565, 904, 1130, 1469, 2260, 2938, 4520, 5876, 7345, 11752, 14690, 15647, 29380, 31294, 58760, 62588, 78235, 125176, 156470, 203411, 312940, 406822, 625880, 813644, 1017055, 1627288, 1768111, 2034110, 3536222, 4068220, 7072444, 8136440, 8840555, 14144888, 17681110, 22985443, 35362220, 45970886, 70724440, 91941772, 114927215, 183883544, 229854430, 459708860, 919417720]

約数ペア:

[(1, 919417720), (2, 459708860), (4, 229854430), (5, 183883544), (8, 114927215), (10, 91941772), (13, 70724440), (20, 45970886), (26, 35362220), (40, 22985443), (52, 17681110), (65, 14144888), (104, 8840555), (113, 8136440), (130, 7072444), (226, 4068220), (260, 3536222), (452, 2034110), (520, 1768111), (565, 1627288), (904, 1017055), (1130, 813644), (1469, 625880), (2260, 406822), (2938, 312940), (4520, 203411), (5876, 156470), (7345, 125176), (11752, 78235), (14690, 62588), (15647, 58760), (29380, 31294)]