31327600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 90

約数和(自身を含む): 80247344

約数和(自身を除く): 48919744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 271, 272, 289, 340, 400, 425, 542, 578, 680, 850, 1084, 1156, 1355, 1360, 1445, 1700, 2168, 2312, 2710, 2890, 3400, 4336, 4607, 4624, 5420, 5780, 6775, 6800, 7225, 9214, 10840, 11560, 13550, 14450, 18428, 21680, 23035, 23120, 27100, 28900, 36856, 46070, 54200, 57800, 73712, 78319, 92140, 108400, 115175, 115600, 156638, 184280, 230350, 313276, 368560, 391595, 460700, 626552, 783190, 921400, 1253104, 1566380, 1842800, 1957975, 3132760, 3915950, 6265520, 7831900, 15663800, 31327600]

約数ペア:

[(1, 31327600), (2, 15663800), (4, 7831900), (5, 6265520), (8, 3915950), (10, 3132760), (16, 1957975), (17, 1842800), (20, 1566380), (25, 1253104), (34, 921400), (40, 783190), (50, 626552), (68, 460700), (80, 391595), (85, 368560), (100, 313276), (136, 230350), (170, 184280), (200, 156638), (271, 115600), (272, 115175), (289, 108400), (340, 92140), (400, 78319), (425, 73712), (542, 57800), (578, 54200), (680, 46070), (850, 36856), (1084, 28900), (1156, 27100), (1355, 23120), (1360, 23035), (1445, 21680), (1700, 18428), (2168, 14450), (2312, 13550), (2710, 11560), (2890, 10840), (3400, 9214), (4336, 7225), (4607, 6800), (4624, 6775), (5420, 5780)]