89304040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1619}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 230947200

約数和(自身を除く): 141643160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1619, 1970, 2758, 3238, 3940, 5516, 6476, 6895, 7880, 8095, 11032, 11333, 12952, 13790, 16190, 22666, 27580, 32380, 45332, 55160, 56665, 64760, 90664, 113330, 226660, 318943, 453320, 637886, 1275772, 1594715, 2232601, 2551544, 3189430, 4465202, 6378860, 8930404, 11163005, 12757720, 17860808, 22326010, 44652020, 89304040]

約数ペア:

[(1, 89304040), (2, 44652020), (4, 22326010), (5, 17860808), (7, 12757720), (8, 11163005), (10, 8930404), (14, 6378860), (20, 4465202), (28, 3189430), (35, 2551544), (40, 2232601), (56, 1594715), (70, 1275772), (140, 637886), (197, 453320), (280, 318943), (394, 226660), (788, 113330), (985, 90664), (1379, 64760), (1576, 56665), (1619, 55160), (1970, 45332), (2758, 32380), (3238, 27580), (3940, 22666), (5516, 16190), (6476, 13790), (6895, 12952), (7880, 11333), (8095, 11032)]