218218500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:779

約数の個数: 144

約数和(自身を含む): 699124608

約数和(自身を除く): 480906108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 125, 142, 150, 180, 213, 225, 250, 284, 300, 355, 375, 426, 450, 500, 639, 683, 710, 750, 852, 900, 1065, 1125, 1278, 1366, 1420, 1500, 1775, 2049, 2130, 2250, 2556, 2732, 3195, 3415, 3550, 4098, 4260, 4500, 5325, 6147, 6390, 6830, 7100, 8196, 8875, 10245, 10650, 12294, 12780, 13660, 15975, 17075, 17750, 20490, 21300, 24588, 26625, 30735, 31950, 34150, 35500, 40980, 48493, 51225, 53250, 61470, 63900, 68300, 79875, 85375, 96986, 102450, 106500, 122940, 145479, 153675, 159750, 170750, 193972, 204900, 242465, 256125, 290958, 307350, 319500, 341500, 436437, 484930, 512250, 581916, 614700, 727395, 768375, 872874, 969860, 1024500, 1212325, 1454790, 1536750, 1745748, 2182185, 2424650, 2909580, 3073500, 3636975, 4364370, 4849300, 6061625, 7273950, 8728740, 10910925, 12123250, 14547900, 18184875, 21821850, 24246500, 36369750, 43643700, 54554625, 72739500, 109109250, 218218500]

約数ペア:

[(1, 218218500), (2, 109109250), (3, 72739500), (4, 54554625), (5, 43643700), (6, 36369750), (9, 24246500), (10, 21821850), (12, 18184875), (15, 14547900), (18, 12123250), (20, 10910925), (25, 8728740), (30, 7273950), (36, 6061625), (45, 4849300), (50, 4364370), (60, 3636975), (71, 3073500), (75, 2909580), (90, 2424650), (100, 2182185), (125, 1745748), (142, 1536750), (150, 1454790), (180, 1212325), (213, 1024500), (225, 969860), (250, 872874), (284, 768375), (300, 727395), (355, 614700), (375, 581916), (426, 512250), (450, 484930), (500, 436437), (639, 341500), (683, 319500), (710, 307350), (750, 290958), (852, 256125), (900, 242465), (1065, 204900), (1125, 193972), (1278, 170750), (1366, 159750), (1420, 153675), (1500, 145479), (1775, 122940), (2049, 106500), (2130, 102450), (2250, 96986), (2556, 85375), (2732, 79875), (3195, 68300), (3415, 63900), (3550, 61470), (4098, 53250), (4260, 51225), (4500, 48493), (5325, 40980), (6147, 35500), (6390, 34150), (6830, 31950), (7100, 30735), (8196, 26625), (8875, 24588), (10245, 21300), (10650, 20490), (12294, 17750), (12780, 17075), (13660, 15975)]