884037890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2273}}^1$

素因数の和:2411

約数の個数: 64

約数和(自身を含む): 1768262400

約数和(自身を除く): 884224510

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 230, 437, 445, 874, 890, 1691, 2047, 2185, 2273, 3382, 4094, 4370, 4546, 8455, 10235, 11365, 16910, 20470, 22730, 38893, 43187, 52279, 77786, 86374, 104558, 194465, 202297, 215935, 261395, 388930, 404594, 431870, 522790, 993301, 1011485, 1986602, 2022970, 3843643, 4652831, 4966505, 7687286, 9305662, 9933010, 19218215, 23264155, 38436430, 46528310, 88403789, 176807578, 442018945, 884037890]

約数ペア:

[(1, 884037890), (2, 442018945), (5, 176807578), (10, 88403789), (19, 46528310), (23, 38436430), (38, 23264155), (46, 19218215), (89, 9933010), (95, 9305662), (115, 7687286), (178, 4966505), (190, 4652831), (230, 3843643), (437, 2022970), (445, 1986602), (874, 1011485), (890, 993301), (1691, 522790), (2047, 431870), (2185, 404594), (2273, 388930), (3382, 261395), (4094, 215935), (4370, 202297), (4546, 194465), (8455, 104558), (10235, 86374), (11365, 77786), (16910, 52279), (20470, 43187), (22730, 38893)]