47685820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 132723360

約数和(自身を除く): 85037540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 197, 245, 247, 260, 266, 364, 380, 394, 455, 490, 494, 532, 637, 665, 788, 910, 931, 980, 985, 988, 1235, 1274, 1330, 1379, 1729, 1820, 1862, 1970, 2470, 2548, 2561, 2660, 2758, 3185, 3458, 3724, 3743, 3940, 4655, 4940, 5122, 5516, 6370, 6895, 6916, 7486, 8645, 9310, 9653, 10244, 12103, 12740, 12805, 13790, 14972, 17290, 17927, 18620, 18715, 19306, 24206, 25610, 26201, 27580, 34580, 35854, 37430, 38612, 48265, 48412, 48659, 51220, 52402, 60515, 71708, 74860, 89635, 96530, 97318, 104804, 121030, 125489, 131005, 179270, 183407, 193060, 194636, 242060, 243295, 250978, 262010, 340613, 358540, 366814, 486590, 501956, 524020, 627445, 681226, 733628, 917035, 973180, 1254890, 1362452, 1703065, 1834070, 2384291, 2509780, 3406130, 3668140, 4768582, 6812260, 9537164, 11921455, 23842910, 47685820]

約数ペア:

[(1, 47685820), (2, 23842910), (4, 11921455), (5, 9537164), (7, 6812260), (10, 4768582), (13, 3668140), (14, 3406130), (19, 2509780), (20, 2384291), (26, 1834070), (28, 1703065), (35, 1362452), (38, 1254890), (49, 973180), (52, 917035), (65, 733628), (70, 681226), (76, 627445), (91, 524020), (95, 501956), (98, 486590), (130, 366814), (133, 358540), (140, 340613), (182, 262010), (190, 250978), (196, 243295), (197, 242060), (245, 194636), (247, 193060), (260, 183407), (266, 179270), (364, 131005), (380, 125489), (394, 121030), (455, 104804), (490, 97318), (494, 96530), (532, 89635), (637, 74860), (665, 71708), (788, 60515), (910, 52402), (931, 51220), (980, 48659), (985, 48412), (988, 48265), (1235, 38612), (1274, 37430), (1330, 35854), (1379, 34580), (1729, 27580), (1820, 26201), (1862, 25610), (1970, 24206), (2470, 19306), (2548, 18715), (2561, 18620), (2660, 17927), (2758, 17290), (3185, 14972), (3458, 13790), (3724, 12805), (3743, 12740), (3940, 12103), (4655, 10244), (4940, 9653), (5122, 9310), (5516, 8645), (6370, 7486), (6895, 6916)]