220111960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{569}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 523260000

約数和(自身を除く): 303148040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 509, 569, 760, 1018, 1138, 2036, 2276, 2545, 2845, 4072, 4552, 5090, 5690, 9671, 10180, 10811, 11380, 19342, 20360, 21622, 22760, 38684, 43244, 48355, 54055, 77368, 86488, 96710, 108110, 193420, 216220, 289621, 386840, 432440, 579242, 1158484, 1448105, 2316968, 2896210, 5502799, 5792420, 11005598, 11584840, 22011196, 27513995, 44022392, 55027990, 110055980, 220111960]

約数ペア:

[(1, 220111960), (2, 110055980), (4, 55027990), (5, 44022392), (8, 27513995), (10, 22011196), (19, 11584840), (20, 11005598), (38, 5792420), (40, 5502799), (76, 2896210), (95, 2316968), (152, 1448105), (190, 1158484), (380, 579242), (509, 432440), (569, 386840), (760, 289621), (1018, 216220), (1138, 193420), (2036, 108110), (2276, 96710), (2545, 86488), (2845, 77368), (4072, 54055), (4552, 48355), (5090, 43244), (5690, 38684), (9671, 22760), (10180, 21622), (10811, 20360), (11380, 19342)]