8683720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12052280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 149, 155, 188, 235, 248, 298, 310, 376, 470, 596, 620, 745, 940, 1192, 1240, 1457, 1490, 1880, 2914, 2980, 4619, 5828, 5960, 7003, 7285, 9238, 11656, 14006, 14570, 18476, 23095, 28012, 29140, 35015, 36952, 46190, 56024, 58280, 70030, 92380, 140060, 184760, 217093, 280120, 434186, 868372, 1085465, 1736744, 2170930, 4341860, 8683720]

約数ペア:

[(1, 8683720), (2, 4341860), (4, 2170930), (5, 1736744), (8, 1085465), (10, 868372), (20, 434186), (31, 280120), (40, 217093), (47, 184760), (62, 140060), (94, 92380), (124, 70030), (149, 58280), (155, 56024), (188, 46190), (235, 36952), (248, 35015), (298, 29140), (310, 28012), (376, 23095), (470, 18476), (596, 14570), (620, 14006), (745, 11656), (940, 9238), (1192, 7285), (1240, 7003), (1457, 5960), (1490, 5828), (1880, 4619), (2914, 2980)]