31917340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 88542720

約数和(自身を除く): 56625380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 71, 76, 91, 95, 130, 133, 140, 142, 169, 182, 190, 247, 260, 266, 284, 338, 355, 364, 380, 455, 494, 497, 532, 665, 676, 710, 845, 910, 923, 988, 994, 1183, 1235, 1330, 1349, 1420, 1690, 1729, 1820, 1846, 1988, 2366, 2470, 2485, 2660, 2698, 3211, 3380, 3458, 3692, 4615, 4732, 4940, 4970, 5396, 5915, 6422, 6461, 6745, 6916, 8645, 9230, 9443, 9940, 11830, 11999, 12844, 12922, 13490, 16055, 17290, 17537, 18460, 18886, 22477, 23660, 23998, 25844, 26980, 32110, 32305, 34580, 35074, 37772, 44954, 47215, 47996, 59995, 64220, 64610, 70148, 83993, 87685, 89908, 94430, 112385, 119990, 122759, 129220, 167986, 175370, 188860, 224770, 227981, 239980, 245518, 335972, 350740, 419965, 449540, 455962, 491036, 613795, 839930, 911924, 1139905, 1227590, 1595867, 1679860, 2279810, 2455180, 3191734, 4559620, 6383468, 7979335, 15958670, 31917340]

約数ペア:

[(1, 31917340), (2, 15958670), (4, 7979335), (5, 6383468), (7, 4559620), (10, 3191734), (13, 2455180), (14, 2279810), (19, 1679860), (20, 1595867), (26, 1227590), (28, 1139905), (35, 911924), (38, 839930), (52, 613795), (65, 491036), (70, 455962), (71, 449540), (76, 419965), (91, 350740), (95, 335972), (130, 245518), (133, 239980), (140, 227981), (142, 224770), (169, 188860), (182, 175370), (190, 167986), (247, 129220), (260, 122759), (266, 119990), (284, 112385), (338, 94430), (355, 89908), (364, 87685), (380, 83993), (455, 70148), (494, 64610), (497, 64220), (532, 59995), (665, 47996), (676, 47215), (710, 44954), (845, 37772), (910, 35074), (923, 34580), (988, 32305), (994, 32110), (1183, 26980), (1235, 25844), (1330, 23998), (1349, 23660), (1420, 22477), (1690, 18886), (1729, 18460), (1820, 17537), (1846, 17290), (1988, 16055), (2366, 13490), (2470, 12922), (2485, 12844), (2660, 11999), (2698, 11830), (3211, 9940), (3380, 9443), (3458, 9230), (3692, 8645), (4615, 6916), (4732, 6745), (4940, 6461), (4970, 6422), (5396, 5915)]