1989190840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 192

約数和(自身を含む): 5599272960

約数和(自身を除く): 3610082120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 127, 130, 140, 169, 182, 254, 260, 280, 331, 338, 364, 455, 508, 520, 635, 662, 676, 728, 845, 889, 910, 1016, 1183, 1270, 1324, 1352, 1651, 1655, 1690, 1778, 1820, 2317, 2366, 2540, 2648, 3302, 3310, 3380, 3556, 3640, 4303, 4445, 4634, 4732, 5080, 5915, 6604, 6620, 6760, 7112, 8255, 8606, 8890, 9268, 9464, 11557, 11585, 11830, 13208, 13240, 16510, 17212, 17780, 18536, 21463, 21515, 23114, 23170, 23660, 30121, 33020, 34424, 35560, 42037, 42926, 43030, 46228, 46340, 47320, 55939, 57785, 60242, 66040, 84074, 85852, 86060, 92456, 92680, 107315, 111878, 115570, 120484, 150241, 150605, 168148, 171704, 172120, 210185, 214630, 223756, 231140, 240968, 279695, 294259, 300482, 301210, 336296, 391573, 420370, 429260, 447512, 462280, 546481, 559390, 588518, 600964, 602420, 751205, 783146, 840740, 858520, 1092962, 1118780, 1177036, 1201928, 1204840, 1471295, 1502410, 1566292, 1681480, 1957865, 2185924, 2237560, 2354072, 2732405, 2942590, 3004820, 3132584, 3825367, 3915730, 4371848, 5464810, 5885180, 6009640, 7104253, 7650734, 7831460, 10929620, 11770360, 14208506, 15301468, 15662920, 19126835, 21859240, 28417012, 30602936, 35521265, 38253670, 49729771, 56834024, 71042530, 76507340, 99459542, 142085060, 153014680, 198919084, 248648855, 284170120, 397838168, 497297710, 994595420, 1989190840]

約数ペア:

[(1, 1989190840), (2, 994595420), (4, 497297710), (5, 397838168), (7, 284170120), (8, 248648855), (10, 198919084), (13, 153014680), (14, 142085060), (20, 99459542), (26, 76507340), (28, 71042530), (35, 56834024), (40, 49729771), (52, 38253670), (56, 35521265), (65, 30602936), (70, 28417012), (91, 21859240), (104, 19126835), (127, 15662920), (130, 15301468), (140, 14208506), (169, 11770360), (182, 10929620), (254, 7831460), (260, 7650734), (280, 7104253), (331, 6009640), (338, 5885180), (364, 5464810), (455, 4371848), (508, 3915730), (520, 3825367), (635, 3132584), (662, 3004820), (676, 2942590), (728, 2732405), (845, 2354072), (889, 2237560), (910, 2185924), (1016, 1957865), (1183, 1681480), (1270, 1566292), (1324, 1502410), (1352, 1471295), (1651, 1204840), (1655, 1201928), (1690, 1177036), (1778, 1118780), (1820, 1092962), (2317, 858520), (2366, 840740), (2540, 783146), (2648, 751205), (3302, 602420), (3310, 600964), (3380, 588518), (3556, 559390), (3640, 546481), (4303, 462280), (4445, 447512), (4634, 429260), (4732, 420370), (5080, 391573), (5915, 336296), (6604, 301210), (6620, 300482), (6760, 294259), (7112, 279695), (8255, 240968), (8606, 231140), (8890, 223756), (9268, 214630), (9464, 210185), (11557, 172120), (11585, 171704), (11830, 168148), (13208, 150605), (13240, 150241), (16510, 120484), (17212, 115570), (17780, 111878), (18536, 107315), (21463, 92680), (21515, 92456), (23114, 86060), (23170, 85852), (23660, 84074), (30121, 66040), (33020, 60242), (34424, 57785), (35560, 55939), (42037, 47320), (42926, 46340), (43030, 46228)]