221167500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 663125232

約数和(自身を除く): 441957732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 125, 148, 150, 185, 222, 250, 300, 370, 375, 444, 500, 555, 625, 740, 750, 797, 925, 1110, 1250, 1500, 1594, 1850, 1875, 2220, 2391, 2500, 2775, 3188, 3700, 3750, 3985, 4625, 4782, 5550, 7500, 7970, 9250, 9564, 11100, 11955, 13875, 15940, 18500, 19925, 23125, 23910, 27750, 29489, 39850, 46250, 47820, 55500, 58978, 59775, 69375, 79700, 88467, 92500, 99625, 117956, 119550, 138750, 147445, 176934, 199250, 239100, 277500, 294890, 298875, 353868, 398500, 442335, 498125, 589780, 597750, 737225, 884670, 996250, 1195500, 1474450, 1494375, 1769340, 1992500, 2211675, 2948900, 2988750, 3686125, 4423350, 5977500, 7372250, 8846700, 11058375, 14744500, 18430625, 22116750, 36861250, 44233500, 55291875, 73722500, 110583750, 221167500]

約数ペア:

[(1, 221167500), (2, 110583750), (3, 73722500), (4, 55291875), (5, 44233500), (6, 36861250), (10, 22116750), (12, 18430625), (15, 14744500), (20, 11058375), (25, 8846700), (30, 7372250), (37, 5977500), (50, 4423350), (60, 3686125), (74, 2988750), (75, 2948900), (100, 2211675), (111, 1992500), (125, 1769340), (148, 1494375), (150, 1474450), (185, 1195500), (222, 996250), (250, 884670), (300, 737225), (370, 597750), (375, 589780), (444, 498125), (500, 442335), (555, 398500), (625, 353868), (740, 298875), (750, 294890), (797, 277500), (925, 239100), (1110, 199250), (1250, 176934), (1500, 147445), (1594, 138750), (1850, 119550), (1875, 117956), (2220, 99625), (2391, 92500), (2500, 88467), (2775, 79700), (3188, 69375), (3700, 59775), (3750, 58978), (3985, 55500), (4625, 47820), (4782, 46250), (5550, 39850), (7500, 29489), (7970, 27750), (9250, 23910), (9564, 23125), (11100, 19925), (11955, 18500), (13875, 15940)]