131739460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 313528320

約数和(自身を除く): 181788860

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 31, 34, 58, 62, 68, 85, 116, 124, 145, 155, 170, 290, 310, 340, 431, 493, 527, 580, 620, 862, 899, 986, 1054, 1724, 1798, 1972, 2108, 2155, 2465, 2635, 3596, 4310, 4495, 4930, 5270, 7327, 8620, 8990, 9860, 10540, 12499, 13361, 14654, 15283, 17980, 24998, 26722, 29308, 30566, 36635, 49996, 53444, 61132, 62495, 66805, 73270, 76415, 124990, 133610, 146540, 152830, 212483, 227137, 249980, 267220, 305660, 387469, 424966, 454274, 774938, 849932, 908548, 1062415, 1135685, 1549876, 1937345, 2124830, 2271370, 3874690, 4249660, 4542740, 6586973, 7749380, 13173946, 26347892, 32934865, 65869730, 131739460]

約数ペア:

[(1, 131739460), (2, 65869730), (4, 32934865), (5, 26347892), (10, 13173946), (17, 7749380), (20, 6586973), (29, 4542740), (31, 4249660), (34, 3874690), (58, 2271370), (62, 2124830), (68, 1937345), (85, 1549876), (116, 1135685), (124, 1062415), (145, 908548), (155, 849932), (170, 774938), (290, 454274), (310, 424966), (340, 387469), (431, 305660), (493, 267220), (527, 249980), (580, 227137), (620, 212483), (862, 152830), (899, 146540), (986, 133610), (1054, 124990), (1724, 76415), (1798, 73270), (1972, 66805), (2108, 62495), (2155, 61132), (2465, 53444), (2635, 49996), (3596, 36635), (4310, 30566), (4495, 29308), (4930, 26722), (5270, 24998), (7327, 17980), (8620, 15283), (8990, 14654), (9860, 13361), (10540, 12499)]