989613520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103951}}^1$

素因数の和:103988

約数の個数: 80

約数和(自身を含む): 2784250368

約数和(自身を除く): 1794636848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 103951, 207902, 415804, 519755, 727657, 831608, 1039510, 1455314, 1663216, 1767167, 2079020, 2910628, 3534334, 3638285, 4158040, 5821256, 7068668, 7276570, 8316080, 8835835, 11642512, 12370169, 14137336, 14553140, 17671670, 24740338, 28274672, 29106280, 35343340, 49480676, 58212560, 61850845, 70686680, 98961352, 123701690, 141373360, 197922704, 247403380, 494806760, 989613520]

約数ペア:

[(1, 989613520), (2, 494806760), (4, 247403380), (5, 197922704), (7, 141373360), (8, 123701690), (10, 98961352), (14, 70686680), (16, 61850845), (17, 58212560), (20, 49480676), (28, 35343340), (34, 29106280), (35, 28274672), (40, 24740338), (56, 17671670), (68, 14553140), (70, 14137336), (80, 12370169), (85, 11642512), (112, 8835835), (119, 8316080), (136, 7276570), (140, 7068668), (170, 5821256), (238, 4158040), (272, 3638285), (280, 3534334), (340, 2910628), (476, 2079020), (560, 1767167), (595, 1663216), (680, 1455314), (952, 1039510), (1190, 831608), (1360, 727657), (1904, 519755), (2380, 415804), (4760, 207902), (9520, 103951)]