2011303900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 4759695360

約数和(自身を除く): 2748391460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 101, 188, 190, 202, 223, 235, 380, 404, 446, 470, 475, 505, 892, 893, 940, 950, 1010, 1115, 1175, 1786, 1900, 1919, 2020, 2230, 2350, 2525, 3572, 3838, 4237, 4460, 4465, 4700, 4747, 5050, 5575, 7676, 8474, 8930, 9494, 9595, 10100, 10481, 11150, 16948, 17860, 18988, 19190, 20962, 21185, 22300, 22325, 22523, 23735, 38380, 41924, 42370, 44650, 45046, 47470, 47975, 52405, 84740, 89300, 90092, 90193, 94940, 95950, 104810, 105925, 112615, 118675, 180386, 191900, 199139, 209620, 211850, 225230, 237350, 262025, 360772, 398278, 423700, 427937, 450460, 450965, 474700, 524050, 563075, 796556, 855874, 901930, 995695, 1048100, 1058581, 1126150, 1711748, 1803860, 1991390, 2117162, 2139685, 2252300, 2254825, 3982780, 4234324, 4279370, 4509650, 4978475, 5292905, 8558740, 9019300, 9956950, 10585810, 10698425, 19913900, 20113039, 21171620, 21396850, 26464525, 40226078, 42793700, 52929050, 80452156, 100565195, 105858100, 201130390, 402260780, 502825975, 1005651950, 2011303900]

約数ペア:

[(1, 2011303900), (2, 1005651950), (4, 502825975), (5, 402260780), (10, 201130390), (19, 105858100), (20, 100565195), (25, 80452156), (38, 52929050), (47, 42793700), (50, 40226078), (76, 26464525), (94, 21396850), (95, 21171620), (100, 20113039), (101, 19913900), (188, 10698425), (190, 10585810), (202, 9956950), (223, 9019300), (235, 8558740), (380, 5292905), (404, 4978475), (446, 4509650), (470, 4279370), (475, 4234324), (505, 3982780), (892, 2254825), (893, 2252300), (940, 2139685), (950, 2117162), (1010, 1991390), (1115, 1803860), (1175, 1711748), (1786, 1126150), (1900, 1058581), (1919, 1048100), (2020, 995695), (2230, 901930), (2350, 855874), (2525, 796556), (3572, 563075), (3838, 524050), (4237, 474700), (4460, 450965), (4465, 450460), (4700, 427937), (4747, 423700), (5050, 398278), (5575, 360772), (7676, 262025), (8474, 237350), (8930, 225230), (9494, 211850), (9595, 209620), (10100, 199139), (10481, 191900), (11150, 180386), (16948, 118675), (17860, 112615), (18988, 105925), (19190, 104810), (20962, 95950), (21185, 94940), (22300, 90193), (22325, 90092), (22523, 89300), (23735, 84740), (38380, 52405), (41924, 47975), (42370, 47470), (44650, 45046)]