851987840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121021}}^1$

素因数の和:121051

約数の個数: 64

約数和(自身を含む): 2221963920

約数和(自身を除く): 1369976080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 121021, 242042, 484084, 605105, 968168, 1210210, 1331231, 1936336, 2420420, 2662462, 3872672, 4840840, 5324924, 6656155, 7745344, 9681680, 10649848, 13312310, 15490688, 19363360, 21299696, 26624620, 38726720, 42599392, 53249240, 77453440, 85198784, 106498480, 170397568, 212996960, 425993920, 851987840]

約数ペア:

[(1, 851987840), (2, 425993920), (4, 212996960), (5, 170397568), (8, 106498480), (10, 85198784), (11, 77453440), (16, 53249240), (20, 42599392), (22, 38726720), (32, 26624620), (40, 21299696), (44, 19363360), (55, 15490688), (64, 13312310), (80, 10649848), (88, 9681680), (110, 7745344), (128, 6656155), (160, 5324924), (176, 4840840), (220, 3872672), (320, 2662462), (352, 2420420), (440, 1936336), (640, 1331231), (704, 1210210), (880, 968168), (1408, 605105), (1760, 484084), (3520, 242042), (7040, 121021)]