1001788700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 2447843328

約数和(自身を除く): 1446054628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 101, 110, 127, 142, 202, 220, 254, 275, 284, 355, 404, 505, 508, 550, 635, 710, 781, 1010, 1100, 1111, 1270, 1397, 1420, 1562, 1775, 2020, 2222, 2525, 2540, 2794, 3124, 3175, 3550, 3905, 4444, 5050, 5555, 5588, 6350, 6985, 7100, 7171, 7810, 9017, 10100, 11110, 12700, 12827, 13970, 14342, 15620, 18034, 19525, 22220, 25654, 27775, 27940, 28684, 34925, 35855, 36068, 39050, 45085, 51308, 55550, 64135, 69850, 71710, 78100, 78881, 90170, 99187, 111100, 128270, 139700, 141097, 143420, 157762, 179275, 180340, 198374, 225425, 256540, 282194, 315524, 320675, 358550, 394405, 396748, 450850, 495935, 564388, 641350, 705485, 717100, 788810, 901700, 910717, 991870, 1282700, 1410970, 1577620, 1821434, 1972025, 1983740, 2479675, 2821940, 3527425, 3642868, 3944050, 4553585, 4959350, 7054850, 7888100, 9107170, 9918700, 10017887, 14109700, 18214340, 20035774, 22767925, 40071548, 45535850, 50089435, 91071700, 100178870, 200357740, 250447175, 500894350, 1001788700]

約数ペア:

[(1, 1001788700), (2, 500894350), (4, 250447175), (5, 200357740), (10, 100178870), (11, 91071700), (20, 50089435), (22, 45535850), (25, 40071548), (44, 22767925), (50, 20035774), (55, 18214340), (71, 14109700), (100, 10017887), (101, 9918700), (110, 9107170), (127, 7888100), (142, 7054850), (202, 4959350), (220, 4553585), (254, 3944050), (275, 3642868), (284, 3527425), (355, 2821940), (404, 2479675), (505, 1983740), (508, 1972025), (550, 1821434), (635, 1577620), (710, 1410970), (781, 1282700), (1010, 991870), (1100, 910717), (1111, 901700), (1270, 788810), (1397, 717100), (1420, 705485), (1562, 641350), (1775, 564388), (2020, 495935), (2222, 450850), (2525, 396748), (2540, 394405), (2794, 358550), (3124, 320675), (3175, 315524), (3550, 282194), (3905, 256540), (4444, 225425), (5050, 198374), (5555, 180340), (5588, 179275), (6350, 157762), (6985, 143420), (7100, 141097), (7171, 139700), (7810, 128270), (9017, 111100), (10100, 99187), (11110, 90170), (12700, 78881), (12827, 78100), (13970, 71710), (14342, 69850), (15620, 64135), (18034, 55550), (19525, 51308), (22220, 45085), (25654, 39050), (27775, 36068), (27940, 35855), (28684, 34925)]