208858500

素因数分解:

$2^2\times 3^7\times 5^3\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 687697920

約数和(自身を除く): 478839420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 191, 225, 243, 250, 270, 300, 324, 375, 382, 405, 450, 486, 500, 540, 573, 675, 729, 750, 764, 810, 900, 955, 972, 1125, 1146, 1215, 1350, 1458, 1500, 1620, 1719, 1910, 2025, 2187, 2250, 2292, 2430, 2700, 2865, 2916, 3375, 3438, 3645, 3820, 4050, 4374, 4500, 4775, 4860, 5157, 5730, 6075, 6750, 6876, 7290, 8100, 8595, 8748, 9550, 10125, 10314, 10935, 11460, 12150, 13500, 14325, 14580, 15471, 17190, 18225, 19100, 20250, 20628, 21870, 23875, 24300, 25785, 28650, 30375, 30942, 34380, 36450, 40500, 42975, 43740, 46413, 47750, 51570, 54675, 57300, 60750, 61884, 71625, 72900, 77355, 85950, 91125, 92826, 95500, 103140, 109350, 121500, 128925, 139239, 143250, 154710, 171900, 182250, 185652, 214875, 218700, 232065, 257850, 273375, 278478, 286500, 309420, 364500, 386775, 417717, 429750, 464130, 515700, 546750, 556956, 644625, 696195, 773550, 835434, 859500, 928260, 1093500, 1160325, 1289250, 1392390, 1547100, 1670868, 1933875, 2088585, 2320650, 2578500, 2784780, 3480975, 3867750, 4177170, 4641300, 5801625, 6961950, 7735500, 8354340, 10442925, 11603250, 13923900, 17404875, 20885850, 23206500, 34809750, 41771700, 52214625, 69619500, 104429250, 208858500]

約数ペア:

[(1, 208858500), (2, 104429250), (3, 69619500), (4, 52214625), (5, 41771700), (6, 34809750), (9, 23206500), (10, 20885850), (12, 17404875), (15, 13923900), (18, 11603250), (20, 10442925), (25, 8354340), (27, 7735500), (30, 6961950), (36, 5801625), (45, 4641300), (50, 4177170), (54, 3867750), (60, 3480975), (75, 2784780), (81, 2578500), (90, 2320650), (100, 2088585), (108, 1933875), (125, 1670868), (135, 1547100), (150, 1392390), (162, 1289250), (180, 1160325), (191, 1093500), (225, 928260), (243, 859500), (250, 835434), (270, 773550), (300, 696195), (324, 644625), (375, 556956), (382, 546750), (405, 515700), (450, 464130), (486, 429750), (500, 417717), (540, 386775), (573, 364500), (675, 309420), (729, 286500), (750, 278478), (764, 273375), (810, 257850), (900, 232065), (955, 218700), (972, 214875), (1125, 185652), (1146, 182250), (1215, 171900), (1350, 154710), (1458, 143250), (1500, 139239), (1620, 128925), (1719, 121500), (1910, 109350), (2025, 103140), (2187, 95500), (2250, 92826), (2292, 91125), (2430, 85950), (2700, 77355), (2865, 72900), (2916, 71625), (3375, 61884), (3438, 60750), (3645, 57300), (3820, 54675), (4050, 51570), (4374, 47750), (4500, 46413), (4775, 43740), (4860, 42975), (5157, 40500), (5730, 36450), (6075, 34380), (6750, 30942), (6876, 30375), (7290, 28650), (8100, 25785), (8595, 24300), (8748, 23875), (9550, 21870), (10125, 20628), (10314, 20250), (10935, 19100), (11460, 18225), (12150, 17190), (13500, 15471), (14325, 14580)]