18856400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 49818240

約数和(自身を除く): 30961840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 47, 50, 59, 68, 80, 85, 94, 100, 118, 136, 170, 188, 200, 235, 236, 272, 295, 340, 376, 400, 425, 470, 472, 590, 680, 752, 799, 850, 940, 944, 1003, 1175, 1180, 1360, 1475, 1598, 1700, 1880, 2006, 2350, 2360, 2773, 2950, 3196, 3400, 3760, 3995, 4012, 4700, 4720, 5015, 5546, 5900, 6392, 6800, 7990, 8024, 9400, 10030, 11092, 11800, 12784, 13865, 15980, 16048, 18800, 19975, 20060, 22184, 23600, 25075, 27730, 31960, 39950, 40120, 44368, 47141, 50150, 55460, 63920, 69325, 79900, 80240, 94282, 100300, 110920, 138650, 159800, 188564, 200600, 221840, 235705, 277300, 319600, 377128, 401200, 471410, 554600, 754256, 942820, 1109200, 1178525, 1885640, 2357050, 3771280, 4714100, 9428200, 18856400]

約数ペア:

[(1, 18856400), (2, 9428200), (4, 4714100), (5, 3771280), (8, 2357050), (10, 1885640), (16, 1178525), (17, 1109200), (20, 942820), (25, 754256), (34, 554600), (40, 471410), (47, 401200), (50, 377128), (59, 319600), (68, 277300), (80, 235705), (85, 221840), (94, 200600), (100, 188564), (118, 159800), (136, 138650), (170, 110920), (188, 100300), (200, 94282), (235, 80240), (236, 79900), (272, 69325), (295, 63920), (340, 55460), (376, 50150), (400, 47141), (425, 44368), (470, 40120), (472, 39950), (590, 31960), (680, 27730), (752, 25075), (799, 23600), (850, 22184), (940, 20060), (944, 19975), (1003, 18800), (1175, 16048), (1180, 15980), (1360, 13865), (1475, 12784), (1598, 11800), (1700, 11092), (1880, 10030), (2006, 9400), (2350, 8024), (2360, 7990), (2773, 6800), (2950, 6392), (3196, 5900), (3400, 5546), (3760, 5015), (3995, 4720), (4012, 4700)]