218730750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 635102208

約数和(自身を除く): 416371458

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 61, 70, 75, 105, 122, 125, 150, 175, 183, 210, 250, 305, 350, 366, 375, 427, 525, 610, 683, 750, 854, 875, 915, 1050, 1281, 1366, 1525, 1750, 1830, 2049, 2135, 2562, 2625, 3050, 3415, 4098, 4270, 4575, 4781, 5250, 6405, 6830, 7625, 9150, 9562, 10245, 10675, 12810, 14343, 15250, 17075, 20490, 21350, 22875, 23905, 28686, 32025, 34150, 41663, 45750, 47810, 51225, 53375, 64050, 71715, 83326, 85375, 102450, 106750, 119525, 124989, 143430, 160125, 170750, 208315, 239050, 249978, 256125, 291641, 320250, 358575, 416630, 512250, 583282, 597625, 624945, 717150, 874923, 1041575, 1195250, 1249890, 1458205, 1749846, 1792875, 2083150, 2916410, 3124725, 3585750, 4374615, 5207875, 6249450, 7291025, 8749230, 10415750, 14582050, 15623625, 21873075, 31247250, 36455125, 43746150, 72910250, 109365375, 218730750]

約数ペア:

[(1, 218730750), (2, 109365375), (3, 72910250), (5, 43746150), (6, 36455125), (7, 31247250), (10, 21873075), (14, 15623625), (15, 14582050), (21, 10415750), (25, 8749230), (30, 7291025), (35, 6249450), (42, 5207875), (50, 4374615), (61, 3585750), (70, 3124725), (75, 2916410), (105, 2083150), (122, 1792875), (125, 1749846), (150, 1458205), (175, 1249890), (183, 1195250), (210, 1041575), (250, 874923), (305, 717150), (350, 624945), (366, 597625), (375, 583282), (427, 512250), (525, 416630), (610, 358575), (683, 320250), (750, 291641), (854, 256125), (875, 249978), (915, 239050), (1050, 208315), (1281, 170750), (1366, 160125), (1525, 143430), (1750, 124989), (1830, 119525), (2049, 106750), (2135, 102450), (2562, 85375), (2625, 83326), (3050, 71715), (3415, 64050), (4098, 53375), (4270, 51225), (4575, 47810), (4781, 45750), (5250, 41663), (6405, 34150), (6830, 32025), (7625, 28686), (9150, 23905), (9562, 22875), (10245, 21350), (10675, 20490), (12810, 17075), (14343, 15250)]