31901380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 82252800

約数和(自身を除く): 50351420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 67, 70, 76, 95, 133, 134, 140, 179, 190, 266, 268, 335, 358, 380, 469, 532, 665, 670, 716, 895, 938, 1253, 1273, 1330, 1340, 1790, 1876, 2345, 2506, 2546, 2660, 3401, 3580, 4690, 5012, 5092, 6265, 6365, 6802, 8911, 9380, 11993, 12530, 12730, 13604, 17005, 17822, 23807, 23986, 25060, 25460, 34010, 35644, 44555, 47614, 47972, 59965, 68020, 83951, 89110, 95228, 119035, 119930, 167902, 178220, 227867, 238070, 239860, 335804, 419755, 455734, 476140, 839510, 911468, 1139335, 1595069, 1679020, 2278670, 3190138, 4557340, 6380276, 7975345, 15950690, 31901380]

約数ペア:

[(1, 31901380), (2, 15950690), (4, 7975345), (5, 6380276), (7, 4557340), (10, 3190138), (14, 2278670), (19, 1679020), (20, 1595069), (28, 1139335), (35, 911468), (38, 839510), (67, 476140), (70, 455734), (76, 419755), (95, 335804), (133, 239860), (134, 238070), (140, 227867), (179, 178220), (190, 167902), (266, 119930), (268, 119035), (335, 95228), (358, 89110), (380, 83951), (469, 68020), (532, 59965), (665, 47972), (670, 47614), (716, 44555), (895, 35644), (938, 34010), (1253, 25460), (1273, 25060), (1330, 23986), (1340, 23807), (1790, 17822), (1876, 17005), (2345, 13604), (2506, 12730), (2546, 12530), (2660, 11993), (3401, 9380), (3580, 8911), (4690, 6802), (5012, 6365), (5092, 6265)]