208566160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2776

約数の個数: 80

約数和(自身を含む): 535144320

約数和(自身を除く): 326578160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 979, 1424, 1780, 1958, 2663, 3560, 3916, 4895, 5326, 7120, 7832, 9790, 10652, 13315, 15664, 19580, 21304, 26630, 29293, 39160, 42608, 53260, 58586, 78320, 106520, 117172, 146465, 213040, 234344, 237007, 292930, 468688, 474014, 585860, 948028, 1171720, 1185035, 1896056, 2343440, 2370070, 2607077, 3792112, 4740140, 5214154, 9480280, 10428308, 13035385, 18960560, 20856616, 26070770, 41713232, 52141540, 104283080, 208566160]

約数ペア:

[(1, 208566160), (2, 104283080), (4, 52141540), (5, 41713232), (8, 26070770), (10, 20856616), (11, 18960560), (16, 13035385), (20, 10428308), (22, 9480280), (40, 5214154), (44, 4740140), (55, 3792112), (80, 2607077), (88, 2370070), (89, 2343440), (110, 1896056), (176, 1185035), (178, 1171720), (220, 948028), (356, 585860), (440, 474014), (445, 468688), (712, 292930), (880, 237007), (890, 234344), (979, 213040), (1424, 146465), (1780, 117172), (1958, 106520), (2663, 78320), (3560, 58586), (3916, 53260), (4895, 42608), (5326, 39160), (7120, 29293), (7832, 26630), (9790, 21304), (10652, 19580), (13315, 15664)]