490339920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{291869}}^1$

素因数の和:291892

約数の個数: 80

約数和(自身を含む): 1737210240

約数和(自身を除く): 1246870320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 291869, 583738, 875607, 1167476, 1459345, 1751214, 2043083, 2334952, 2918690, 3502428, 4086166, 4378035, 4669904, 5837380, 6129249, 7004856, 8172332, 8756070, 10215415, 11674760, 12258498, 14009712, 16344664, 17512140, 20430830, 23349520, 24516996, 30646245, 32689328, 35024280, 40861660, 49033992, 61292490, 70048560, 81723320, 98067984, 122584980, 163446640, 245169960, 490339920]

約数ペア:

[(1, 490339920), (2, 245169960), (3, 163446640), (4, 122584980), (5, 98067984), (6, 81723320), (7, 70048560), (8, 61292490), (10, 49033992), (12, 40861660), (14, 35024280), (15, 32689328), (16, 30646245), (20, 24516996), (21, 23349520), (24, 20430830), (28, 17512140), (30, 16344664), (35, 14009712), (40, 12258498), (42, 11674760), (48, 10215415), (56, 8756070), (60, 8172332), (70, 7004856), (80, 6129249), (84, 5837380), (105, 4669904), (112, 4378035), (120, 4086166), (140, 3502428), (168, 2918690), (210, 2334952), (240, 2043083), (280, 1751214), (336, 1459345), (420, 1167476), (560, 875607), (840, 583738), (1680, 291869)]