249412760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1693}}^1$

素因数の和:1860

約数の個数: 64

約数和(自身を含む): 585446400

約数和(自身を除く): 336033640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 127, 145, 232, 254, 290, 508, 580, 635, 1016, 1160, 1270, 1693, 2540, 3386, 3683, 5080, 6772, 7366, 8465, 13544, 14732, 16930, 18415, 29464, 33860, 36830, 49097, 67720, 73660, 98194, 147320, 196388, 215011, 245485, 392776, 430022, 490970, 860044, 981940, 1075055, 1720088, 1963880, 2150110, 4300220, 6235319, 8600440, 12470638, 24941276, 31176595, 49882552, 62353190, 124706380, 249412760]

約数ペア:

[(1, 249412760), (2, 124706380), (4, 62353190), (5, 49882552), (8, 31176595), (10, 24941276), (20, 12470638), (29, 8600440), (40, 6235319), (58, 4300220), (116, 2150110), (127, 1963880), (145, 1720088), (232, 1075055), (254, 981940), (290, 860044), (508, 490970), (580, 430022), (635, 392776), (1016, 245485), (1160, 215011), (1270, 196388), (1693, 147320), (2540, 98194), (3386, 73660), (3683, 67720), (5080, 49097), (6772, 36830), (7366, 33860), (8465, 29464), (13544, 18415), (14732, 16930)]