208864670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3393

約数の個数: 64

約数和(自身を含む): 458956800

約数和(自身を除く): 250092130

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 145, 155, 203, 217, 290, 310, 406, 434, 899, 1015, 1085, 1798, 2030, 2170, 3319, 4495, 6293, 6638, 8990, 12586, 16595, 23233, 31465, 33190, 46466, 62930, 96251, 102889, 116165, 192502, 205778, 232330, 481255, 514445, 673757, 720223, 962510, 1028890, 1347514, 1440446, 2983781, 3368785, 3601115, 5967562, 6737570, 7202230, 14918905, 20886467, 29837810, 41772934, 104432335, 208864670]

約数ペア:

[(1, 208864670), (2, 104432335), (5, 41772934), (7, 29837810), (10, 20886467), (14, 14918905), (29, 7202230), (31, 6737570), (35, 5967562), (58, 3601115), (62, 3368785), (70, 2983781), (145, 1440446), (155, 1347514), (203, 1028890), (217, 962510), (290, 720223), (310, 673757), (406, 514445), (434, 481255), (899, 232330), (1015, 205778), (1085, 192502), (1798, 116165), (2030, 102889), (2170, 96251), (3319, 62930), (4495, 46466), (6293, 33190), (6638, 31465), (8990, 23233), (12586, 16595)]