220031056

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 507904000

約数和(自身を除く): 287872944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 127, 217, 248, 254, 434, 496, 499, 508, 868, 889, 998, 1016, 1736, 1778, 1996, 2032, 3472, 3493, 3556, 3937, 3992, 6986, 7112, 7874, 7984, 13972, 14224, 15469, 15748, 27559, 27944, 30938, 31496, 55118, 55888, 61876, 62992, 63373, 108283, 110236, 123752, 126746, 216566, 220472, 247504, 253492, 433132, 440944, 443611, 506984, 866264, 887222, 1013968, 1732528, 1774444, 1964563, 3548888, 3929126, 7097776, 7858252, 13751941, 15716504, 27503882, 31433008, 55007764, 110015528, 220031056]

約数ペア:

[(1, 220031056), (2, 110015528), (4, 55007764), (7, 31433008), (8, 27503882), (14, 15716504), (16, 13751941), (28, 7858252), (31, 7097776), (56, 3929126), (62, 3548888), (112, 1964563), (124, 1774444), (127, 1732528), (217, 1013968), (248, 887222), (254, 866264), (434, 506984), (496, 443611), (499, 440944), (508, 433132), (868, 253492), (889, 247504), (998, 220472), (1016, 216566), (1736, 126746), (1778, 123752), (1996, 110236), (2032, 108283), (3472, 63373), (3493, 62992), (3556, 61876), (3937, 55888), (3992, 55118), (6986, 31496), (7112, 30938), (7874, 27944), (7984, 27559), (13972, 15748), (14224, 15469)]