133720040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 307152000

約数和(自身を除く): 173431960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 157, 199, 214, 314, 398, 428, 535, 628, 785, 796, 856, 995, 1070, 1256, 1570, 1592, 1990, 2140, 3140, 3980, 4280, 6280, 7960, 16799, 21293, 31243, 33598, 42586, 62486, 67196, 83995, 85172, 106465, 124972, 134392, 156215, 167990, 170344, 212930, 249944, 312430, 335980, 425860, 624860, 671960, 851720, 1249720, 3343001, 6686002, 13372004, 16715005, 26744008, 33430010, 66860020, 133720040]

約数ペア:

[(1, 133720040), (2, 66860020), (4, 33430010), (5, 26744008), (8, 16715005), (10, 13372004), (20, 6686002), (40, 3343001), (107, 1249720), (157, 851720), (199, 671960), (214, 624860), (314, 425860), (398, 335980), (428, 312430), (535, 249944), (628, 212930), (785, 170344), (796, 167990), (856, 156215), (995, 134392), (1070, 124972), (1256, 106465), (1570, 85172), (1592, 83995), (1990, 67196), (2140, 62486), (3140, 42586), (3980, 33598), (4280, 31243), (6280, 21293), (7960, 16799)]