664242760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{977}}^1$

素因数の和:1750

約数の個数: 64

約数和(自身を含む): 1563235200

約数和(自身を除く): 898992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 739, 920, 977, 1478, 1954, 2956, 3695, 3908, 4885, 5912, 7390, 7816, 9770, 14780, 16997, 19540, 22471, 29560, 33994, 39080, 44942, 67988, 84985, 89884, 112355, 135976, 169970, 179768, 224710, 339940, 449420, 679880, 722003, 898840, 1444006, 2888012, 3610015, 5776024, 7220030, 14440060, 16606069, 28880120, 33212138, 66424276, 83030345, 132848552, 166060690, 332121380, 664242760]

約数ペア:

[(1, 664242760), (2, 332121380), (4, 166060690), (5, 132848552), (8, 83030345), (10, 66424276), (20, 33212138), (23, 28880120), (40, 16606069), (46, 14440060), (92, 7220030), (115, 5776024), (184, 3610015), (230, 2888012), (460, 1444006), (739, 898840), (920, 722003), (977, 679880), (1478, 449420), (1954, 339940), (2956, 224710), (3695, 179768), (3908, 169970), (4885, 135976), (5912, 112355), (7390, 89884), (7816, 84985), (9770, 67988), (14780, 44942), (16997, 39080), (19540, 33994), (22471, 29560)]