84923860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 208996200

約数和(自身を除く): 124072340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 193, 196, 245, 386, 449, 490, 772, 898, 965, 980, 1351, 1796, 1930, 2245, 2702, 3143, 3860, 4490, 5404, 6286, 6755, 8980, 9457, 12572, 13510, 15715, 18914, 22001, 27020, 31430, 37828, 44002, 47285, 62860, 86657, 88004, 94570, 110005, 173314, 189140, 220010, 346628, 433285, 440020, 606599, 866570, 1213198, 1733140, 2426396, 3032995, 4246193, 6065990, 8492386, 12131980, 16984772, 21230965, 42461930, 84923860]

約数ペア:

[(1, 84923860), (2, 42461930), (4, 21230965), (5, 16984772), (7, 12131980), (10, 8492386), (14, 6065990), (20, 4246193), (28, 3032995), (35, 2426396), (49, 1733140), (70, 1213198), (98, 866570), (140, 606599), (193, 440020), (196, 433285), (245, 346628), (386, 220010), (449, 189140), (490, 173314), (772, 110005), (898, 94570), (965, 88004), (980, 86657), (1351, 62860), (1796, 47285), (1930, 44002), (2245, 37828), (2702, 31430), (3143, 27020), (3860, 22001), (4490, 18914), (5404, 15715), (6286, 13510), (6755, 12572), (8980, 9457)]