79396520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2753}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 206219520

約数和(自身を除く): 126823000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2753, 2884, 3605, 4120, 5506, 5768, 7210, 11012, 13765, 14420, 19271, 22024, 27530, 28840, 38542, 55060, 77084, 96355, 110120, 154168, 192710, 283559, 385420, 567118, 770840, 1134236, 1417795, 1984913, 2268472, 2835590, 3969826, 5671180, 7939652, 9924565, 11342360, 15879304, 19849130, 39698260, 79396520]

約数ペア:

[(1, 79396520), (2, 39698260), (4, 19849130), (5, 15879304), (7, 11342360), (8, 9924565), (10, 7939652), (14, 5671180), (20, 3969826), (28, 2835590), (35, 2268472), (40, 1984913), (56, 1417795), (70, 1134236), (103, 770840), (140, 567118), (206, 385420), (280, 283559), (412, 192710), (515, 154168), (721, 110120), (824, 96355), (1030, 77084), (1442, 55060), (2060, 38542), (2753, 28840), (2884, 27530), (3605, 22024), (4120, 19271), (5506, 14420), (5768, 13765), (7210, 11012)]