305312140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{863}}^1$

素因数の和:924

約数の個数: 108

約数和(自身を含む): 788066496

約数和(自身を除く): 482754356

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 361, 380, 490, 532, 665, 722, 863, 931, 980, 1330, 1444, 1726, 1805, 1862, 2527, 2660, 3452, 3610, 3724, 4315, 4655, 5054, 6041, 7220, 8630, 9310, 10108, 12082, 12635, 16397, 17260, 17689, 18620, 24164, 25270, 30205, 32794, 35378, 42287, 50540, 60410, 65588, 70756, 81985, 84574, 88445, 114779, 120820, 163970, 169148, 176890, 211435, 229558, 311543, 327940, 353780, 422870, 459116, 573895, 623086, 803453, 845740, 1147790, 1246172, 1557715, 1606906, 2180801, 2295580, 3115430, 3213812, 4017265, 4361602, 6230860, 8034530, 8723204, 10904005, 15265607, 16069060, 21808010, 30531214, 43616020, 61062428, 76328035, 152656070, 305312140]

約数ペア:

[(1, 305312140), (2, 152656070), (4, 76328035), (5, 61062428), (7, 43616020), (10, 30531214), (14, 21808010), (19, 16069060), (20, 15265607), (28, 10904005), (35, 8723204), (38, 8034530), (49, 6230860), (70, 4361602), (76, 4017265), (95, 3213812), (98, 3115430), (133, 2295580), (140, 2180801), (190, 1606906), (196, 1557715), (245, 1246172), (266, 1147790), (361, 845740), (380, 803453), (490, 623086), (532, 573895), (665, 459116), (722, 422870), (863, 353780), (931, 327940), (980, 311543), (1330, 229558), (1444, 211435), (1726, 176890), (1805, 169148), (1862, 163970), (2527, 120820), (2660, 114779), (3452, 88445), (3610, 84574), (3724, 81985), (4315, 70756), (4655, 65588), (5054, 60410), (6041, 50540), (7220, 42287), (8630, 35378), (9310, 32794), (10108, 30205), (12082, 25270), (12635, 24164), (16397, 18620), (17260, 17689)]