90921460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 108

約数和(自身を含む): 235325412

約数和(自身を除く): 144403952

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, 257, 266, 361, 380, 490, 514, 532, 665, 722, 931, 980, 1028, 1285, 1330, 1444, 1799, 1805, 1862, 2527, 2570, 2660, 3598, 3610, 3724, 4655, 4883, 5054, 5140, 7196, 7220, 8995, 9310, 9766, 10108, 12593, 12635, 17689, 17990, 18620, 19532, 24415, 25186, 25270, 34181, 35378, 35980, 48830, 50372, 50540, 62965, 68362, 70756, 88445, 92777, 97660, 125930, 136724, 170905, 176890, 185554, 239267, 251860, 341810, 353780, 371108, 463885, 478534, 649439, 683620, 927770, 957068, 1196335, 1298878, 1855540, 2392670, 2597756, 3247195, 4546073, 4785340, 6494390, 9092146, 12988780, 18184292, 22730365, 45460730, 90921460]

約数ペア:

[(1, 90921460), (2, 45460730), (4, 22730365), (5, 18184292), (7, 12988780), (10, 9092146), (14, 6494390), (19, 4785340), (20, 4546073), (28, 3247195), (35, 2597756), (38, 2392670), (49, 1855540), (70, 1298878), (76, 1196335), (95, 957068), (98, 927770), (133, 683620), (140, 649439), (190, 478534), (196, 463885), (245, 371108), (257, 353780), (266, 341810), (361, 251860), (380, 239267), (490, 185554), (514, 176890), (532, 170905), (665, 136724), (722, 125930), (931, 97660), (980, 92777), (1028, 88445), (1285, 70756), (1330, 68362), (1444, 62965), (1799, 50540), (1805, 50372), (1862, 48830), (2527, 35980), (2570, 35378), (2660, 34181), (3598, 25270), (3610, 25186), (3724, 24415), (4655, 19532), (4883, 18620), (5054, 17990), (5140, 17689), (7196, 12635), (7220, 12593), (8995, 10108), (9310, 9766)]