157427440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 377654400

約数和(自身を除く): 220226960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 149, 188, 235, 281, 298, 376, 470, 562, 596, 745, 752, 940, 1124, 1192, 1405, 1490, 1880, 2248, 2384, 2810, 2980, 3760, 4496, 5620, 5960, 7003, 11240, 11920, 13207, 14006, 22480, 26414, 28012, 35015, 41869, 52828, 56024, 66035, 70030, 83738, 105656, 112048, 132070, 140060, 167476, 209345, 211312, 264140, 280120, 334952, 418690, 528280, 560240, 669904, 837380, 1056560, 1674760, 1967843, 3349520, 3935686, 7871372, 9839215, 15742744, 19678430, 31485488, 39356860, 78713720, 157427440]

約数ペア:

[(1, 157427440), (2, 78713720), (4, 39356860), (5, 31485488), (8, 19678430), (10, 15742744), (16, 9839215), (20, 7871372), (40, 3935686), (47, 3349520), (80, 1967843), (94, 1674760), (149, 1056560), (188, 837380), (235, 669904), (281, 560240), (298, 528280), (376, 418690), (470, 334952), (562, 280120), (596, 264140), (745, 211312), (752, 209345), (940, 167476), (1124, 140060), (1192, 132070), (1405, 112048), (1490, 105656), (1880, 83738), (2248, 70030), (2384, 66035), (2810, 56024), (2980, 52828), (3760, 41869), (4496, 35015), (5620, 28012), (5960, 26414), (7003, 22480), (11240, 14006), (11920, 13207)]