221900560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5672

約数の個数: 80

約数和(自身を含む): 598033152

約数和(自身を除く): 376132592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5581, 5680, 7952, 9940, 11162, 19880, 22324, 27905, 39067, 39760, 44648, 55810, 78134, 89296, 111620, 156268, 195335, 223240, 312536, 390670, 396251, 446480, 625072, 781340, 792502, 1562680, 1585004, 1981255, 2773757, 3125360, 3170008, 3962510, 5547514, 6340016, 7925020, 11095028, 13868785, 15850040, 22190056, 27737570, 31700080, 44380112, 55475140, 110950280, 221900560]

約数ペア:

[(1, 221900560), (2, 110950280), (4, 55475140), (5, 44380112), (7, 31700080), (8, 27737570), (10, 22190056), (14, 15850040), (16, 13868785), (20, 11095028), (28, 7925020), (35, 6340016), (40, 5547514), (56, 3962510), (70, 3170008), (71, 3125360), (80, 2773757), (112, 1981255), (140, 1585004), (142, 1562680), (280, 792502), (284, 781340), (355, 625072), (497, 446480), (560, 396251), (568, 390670), (710, 312536), (994, 223240), (1136, 195335), (1420, 156268), (1988, 111620), (2485, 89296), (2840, 78134), (3976, 55810), (4970, 44648), (5581, 39760), (5680, 39067), (7952, 27905), (9940, 22324), (11162, 19880)]