220140900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 216

約数和(自身を含む): 799990464

約数和(自身を除く): 579849564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 83, 84, 90, 100, 105, 126, 140, 150, 166, 175, 180, 210, 225, 249, 252, 300, 315, 332, 350, 415, 420, 421, 450, 498, 525, 581, 630, 700, 747, 830, 842, 900, 996, 1050, 1162, 1245, 1260, 1263, 1494, 1575, 1660, 1684, 1743, 2075, 2100, 2105, 2324, 2490, 2526, 2905, 2947, 2988, 3150, 3486, 3735, 3789, 4150, 4210, 4980, 5052, 5229, 5810, 5894, 6225, 6300, 6315, 6972, 7470, 7578, 8300, 8420, 8715, 8841, 10458, 10525, 11620, 11788, 12450, 12630, 14525, 14735, 14940, 15156, 17430, 17682, 18675, 18945, 20916, 21050, 24900, 25260, 26145, 26523, 29050, 29470, 31575, 34860, 34943, 35364, 37350, 37890, 42100, 43575, 44205, 52290, 53046, 58100, 58940, 63150, 69886, 73675, 74700, 75780, 87150, 88410, 94725, 104580, 104829, 106092, 126300, 130725, 132615, 139772, 147350, 174300, 174715, 176820, 189450, 209658, 221025, 244601, 261450, 265230, 294700, 314487, 349430, 378900, 419316, 442050, 489202, 522900, 524145, 530460, 628974, 663075, 698860, 733803, 873575, 884100, 978404, 1048290, 1223005, 1257948, 1326150, 1467606, 1572435, 1747150, 2096580, 2201409, 2446010, 2620725, 2652300, 2935212, 3144870, 3494300, 3669015, 4402818, 4892020, 5241450, 6115025, 6289740, 7338030, 7862175, 8805636, 10482900, 11007045, 12230050, 14676060, 15724350, 18345075, 22014090, 24460100, 31448700, 36690150, 44028180, 55035225, 73380300, 110070450, 220140900]

約数ペア:

[(1, 220140900), (2, 110070450), (3, 73380300), (4, 55035225), (5, 44028180), (6, 36690150), (7, 31448700), (9, 24460100), (10, 22014090), (12, 18345075), (14, 15724350), (15, 14676060), (18, 12230050), (20, 11007045), (21, 10482900), (25, 8805636), (28, 7862175), (30, 7338030), (35, 6289740), (36, 6115025), (42, 5241450), (45, 4892020), (50, 4402818), (60, 3669015), (63, 3494300), (70, 3144870), (75, 2935212), (83, 2652300), (84, 2620725), (90, 2446010), (100, 2201409), (105, 2096580), (126, 1747150), (140, 1572435), (150, 1467606), (166, 1326150), (175, 1257948), (180, 1223005), (210, 1048290), (225, 978404), (249, 884100), (252, 873575), (300, 733803), (315, 698860), (332, 663075), (350, 628974), (415, 530460), (420, 524145), (421, 522900), (450, 489202), (498, 442050), (525, 419316), (581, 378900), (630, 349430), (700, 314487), (747, 294700), (830, 265230), (842, 261450), (900, 244601), (996, 221025), (1050, 209658), (1162, 189450), (1245, 176820), (1260, 174715), (1263, 174300), (1494, 147350), (1575, 139772), (1660, 132615), (1684, 130725), (1743, 126300), (2075, 106092), (2100, 104829), (2105, 104580), (2324, 94725), (2490, 88410), (2526, 87150), (2905, 75780), (2947, 74700), (2988, 73675), (3150, 69886), (3486, 63150), (3735, 58940), (3789, 58100), (4150, 53046), (4210, 52290), (4980, 44205), (5052, 43575), (5229, 42100), (5810, 37890), (5894, 37350), (6225, 35364), (6300, 34943), (6315, 34860), (6972, 31575), (7470, 29470), (7578, 29050), (8300, 26523), (8420, 26145), (8715, 25260), (8841, 24900), (10458, 21050), (10525, 20916), (11620, 18945), (11788, 18675), (12450, 17682), (12630, 17430), (14525, 15156), (14735, 14940)]