978487470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:850

約数の個数: 96

約数和(自身を含む): 2585325600

約数和(自身を除く): 1606838130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 149, 262, 298, 393, 447, 557, 655, 745, 786, 894, 1114, 1179, 1310, 1341, 1490, 1671, 1965, 2235, 2358, 2682, 2785, 3342, 3930, 4470, 5013, 5570, 5895, 6705, 8355, 10026, 11790, 13410, 16710, 19519, 25065, 39038, 50130, 58557, 72967, 82993, 97595, 117114, 145934, 165986, 175671, 195190, 218901, 248979, 292785, 351342, 364835, 414965, 437802, 497958, 585570, 656703, 729670, 746937, 829930, 878355, 1094505, 1244895, 1313406, 1493874, 1756710, 2189010, 2489790, 3283515, 3734685, 6567030, 7469370, 10872083, 21744166, 32616249, 54360415, 65232498, 97848747, 108720830, 163081245, 195697494, 326162490, 489243735, 978487470]

約数ペア:

[(1, 978487470), (2, 489243735), (3, 326162490), (5, 195697494), (6, 163081245), (9, 108720830), (10, 97848747), (15, 65232498), (18, 54360415), (30, 32616249), (45, 21744166), (90, 10872083), (131, 7469370), (149, 6567030), (262, 3734685), (298, 3283515), (393, 2489790), (447, 2189010), (557, 1756710), (655, 1493874), (745, 1313406), (786, 1244895), (894, 1094505), (1114, 878355), (1179, 829930), (1310, 746937), (1341, 729670), (1490, 656703), (1671, 585570), (1965, 497958), (2235, 437802), (2358, 414965), (2682, 364835), (2785, 351342), (3342, 292785), (3930, 248979), (4470, 218901), (5013, 195190), (5570, 175671), (5895, 165986), (6705, 145934), (8355, 117114), (10026, 97595), (11790, 82993), (13410, 72967), (16710, 58557), (19519, 50130), (25065, 39038)]