205174920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89989}}^1$

素因数の和:90022

約数の個数: 64

約数和(自身を含む): 647928000

約数和(自身を除く): 442753080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 89989, 179978, 269967, 359956, 449945, 539934, 719912, 899890, 1079868, 1349835, 1709791, 1799780, 2159736, 2699670, 3419582, 3599560, 5129373, 5399340, 6839164, 8548955, 10258746, 10798680, 13678328, 17097910, 20517492, 25646865, 34195820, 41034984, 51293730, 68391640, 102587460, 205174920]

約数ペア:

[(1, 205174920), (2, 102587460), (3, 68391640), (4, 51293730), (5, 41034984), (6, 34195820), (8, 25646865), (10, 20517492), (12, 17097910), (15, 13678328), (19, 10798680), (20, 10258746), (24, 8548955), (30, 6839164), (38, 5399340), (40, 5129373), (57, 3599560), (60, 3419582), (76, 2699670), (95, 2159736), (114, 1799780), (120, 1709791), (152, 1349835), (190, 1079868), (228, 899890), (285, 719912), (380, 539934), (456, 449945), (570, 359956), (760, 269967), (1140, 179978), (2280, 89989)]