207456900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 690622464

約数和(自身を除く): 483165564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 223, 300, 350, 420, 443, 446, 525, 669, 700, 886, 892, 1050, 1115, 1329, 1338, 1561, 1772, 2100, 2215, 2230, 2658, 2676, 3101, 3122, 3345, 4430, 4460, 4683, 5316, 5575, 6202, 6244, 6645, 6690, 7805, 8860, 9303, 9366, 11075, 11150, 12404, 13290, 13380, 15505, 15610, 16725, 18606, 18732, 22150, 22300, 23415, 26580, 31010, 31220, 33225, 33450, 37212, 39025, 44300, 46515, 46830, 62020, 66450, 66900, 77525, 78050, 93030, 93660, 98789, 117075, 132900, 155050, 156100, 186060, 197578, 232575, 234150, 296367, 310100, 395156, 465150, 468300, 493945, 592734, 691523, 930300, 987890, 1185468, 1383046, 1481835, 1975780, 2074569, 2469725, 2766092, 2963670, 3457615, 4149138, 4939450, 5927340, 6915230, 7409175, 8298276, 9878900, 10372845, 13830460, 14818350, 17288075, 20745690, 29636700, 34576150, 41491380, 51864225, 69152300, 103728450, 207456900]

約数ペア:

[(1, 207456900), (2, 103728450), (3, 69152300), (4, 51864225), (5, 41491380), (6, 34576150), (7, 29636700), (10, 20745690), (12, 17288075), (14, 14818350), (15, 13830460), (20, 10372845), (21, 9878900), (25, 8298276), (28, 7409175), (30, 6915230), (35, 5927340), (42, 4939450), (50, 4149138), (60, 3457615), (70, 2963670), (75, 2766092), (84, 2469725), (100, 2074569), (105, 1975780), (140, 1481835), (150, 1383046), (175, 1185468), (210, 987890), (223, 930300), (300, 691523), (350, 592734), (420, 493945), (443, 468300), (446, 465150), (525, 395156), (669, 310100), (700, 296367), (886, 234150), (892, 232575), (1050, 197578), (1115, 186060), (1329, 156100), (1338, 155050), (1561, 132900), (1772, 117075), (2100, 98789), (2215, 93660), (2230, 93030), (2658, 78050), (2676, 77525), (3101, 66900), (3122, 66450), (3345, 62020), (4430, 46830), (4460, 46515), (4683, 44300), (5316, 39025), (5575, 37212), (6202, 33450), (6244, 33225), (6645, 31220), (6690, 31010), (7805, 26580), (8860, 23415), (9303, 22300), (9366, 22150), (11075, 18732), (11150, 18606), (12404, 16725), (13290, 15610), (13380, 15505)]