2019460520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13381}}^1$

素因数の和:13424

約数の個数: 128

約数和(自身を含む): 5781024000

約数和(自身を除く): 3761563480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1540, 1715, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 4312, 5390, 6860, 7546, 10780, 13381, 13720, 15092, 18865, 21560, 26762, 30184, 37730, 53524, 66905, 75460, 93667, 107048, 133810, 147191, 150920, 187334, 267620, 294382, 374668, 468335, 535240, 588764, 655669, 735955, 749336, 936670, 1030337, 1177528, 1311338, 1471910, 1873340, 2060674, 2622676, 2943820, 3278345, 3746680, 4121348, 4589683, 5151685, 5245352, 5887640, 6556690, 7212359, 8242696, 9179366, 10303370, 13113380, 14424718, 18358732, 20606740, 22948415, 26226760, 28849436, 36061795, 36717464, 41213480, 45896830, 50486513, 57698872, 72123590, 91793660, 100973026, 144247180, 183587320, 201946052, 252432565, 288494360, 403892104, 504865130, 1009730260, 2019460520]

約数ペア:

[(1, 2019460520), (2, 1009730260), (4, 504865130), (5, 403892104), (7, 288494360), (8, 252432565), (10, 201946052), (11, 183587320), (14, 144247180), (20, 100973026), (22, 91793660), (28, 72123590), (35, 57698872), (40, 50486513), (44, 45896830), (49, 41213480), (55, 36717464), (56, 36061795), (70, 28849436), (77, 26226760), (88, 22948415), (98, 20606740), (110, 18358732), (140, 14424718), (154, 13113380), (196, 10303370), (220, 9179366), (245, 8242696), (280, 7212359), (308, 6556690), (343, 5887640), (385, 5245352), (392, 5151685), (440, 4589683), (490, 4121348), (539, 3746680), (616, 3278345), (686, 2943820), (770, 2622676), (980, 2060674), (1078, 1873340), (1372, 1471910), (1540, 1311338), (1715, 1177528), (1960, 1030337), (2156, 936670), (2695, 749336), (2744, 735955), (3080, 655669), (3430, 588764), (3773, 535240), (4312, 468335), (5390, 374668), (6860, 294382), (7546, 267620), (10780, 187334), (13381, 150920), (13720, 147191), (15092, 133810), (18865, 107048), (21560, 93667), (26762, 75460), (30184, 66905), (37730, 53524)]