49981960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{3643}}^1$

素因数の和:3675

約数の個数: 64

約数和(自身を含む): 131184000

約数和(自身を除く): 81202040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 3643, 6860, 7286, 13720, 14572, 18215, 25501, 29144, 36430, 51002, 72860, 102004, 127505, 145720, 178507, 204008, 255010, 357014, 510020, 714028, 892535, 1020040, 1249549, 1428056, 1785070, 2499098, 3570140, 4998196, 6247745, 7140280, 9996392, 12495490, 24990980, 49981960]

約数ペア:

[(1, 49981960), (2, 24990980), (4, 12495490), (5, 9996392), (7, 7140280), (8, 6247745), (10, 4998196), (14, 3570140), (20, 2499098), (28, 1785070), (35, 1428056), (40, 1249549), (49, 1020040), (56, 892535), (70, 714028), (98, 510020), (140, 357014), (196, 255010), (245, 204008), (280, 178507), (343, 145720), (392, 127505), (490, 102004), (686, 72860), (980, 51002), (1372, 36430), (1715, 29144), (1960, 25501), (2744, 18215), (3430, 14572), (3643, 13720), (6860, 7286)]