31938900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 107659776

約数和(自身を除く): 75720876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 67, 70, 75, 84, 100, 105, 134, 140, 150, 175, 201, 210, 227, 268, 300, 335, 350, 402, 420, 454, 469, 525, 670, 681, 700, 804, 908, 938, 1005, 1050, 1135, 1340, 1362, 1407, 1589, 1675, 1876, 2010, 2100, 2270, 2345, 2724, 2814, 3178, 3350, 3405, 4020, 4540, 4690, 4767, 5025, 5628, 5675, 6356, 6700, 6810, 7035, 7945, 9380, 9534, 10050, 11350, 11725, 13620, 14070, 15209, 15890, 17025, 19068, 20100, 22700, 23450, 23835, 28140, 30418, 31780, 34050, 35175, 39725, 45627, 46900, 47670, 60836, 68100, 70350, 76045, 79450, 91254, 95340, 106463, 119175, 140700, 152090, 158900, 182508, 212926, 228135, 238350, 304180, 319389, 380225, 425852, 456270, 476700, 532315, 638778, 760450, 912540, 1064630, 1140675, 1277556, 1520900, 1596945, 2129260, 2281350, 2661575, 3193890, 4562700, 5323150, 6387780, 7984725, 10646300, 15969450, 31938900]

約数ペア:

[(1, 31938900), (2, 15969450), (3, 10646300), (4, 7984725), (5, 6387780), (6, 5323150), (7, 4562700), (10, 3193890), (12, 2661575), (14, 2281350), (15, 2129260), (20, 1596945), (21, 1520900), (25, 1277556), (28, 1140675), (30, 1064630), (35, 912540), (42, 760450), (50, 638778), (60, 532315), (67, 476700), (70, 456270), (75, 425852), (84, 380225), (100, 319389), (105, 304180), (134, 238350), (140, 228135), (150, 212926), (175, 182508), (201, 158900), (210, 152090), (227, 140700), (268, 119175), (300, 106463), (335, 95340), (350, 91254), (402, 79450), (420, 76045), (454, 70350), (469, 68100), (525, 60836), (670, 47670), (681, 46900), (700, 45627), (804, 39725), (908, 35175), (938, 34050), (1005, 31780), (1050, 30418), (1135, 28140), (1340, 23835), (1362, 23450), (1407, 22700), (1589, 20100), (1675, 19068), (1876, 17025), (2010, 15890), (2100, 15209), (2270, 14070), (2345, 13620), (2724, 11725), (2814, 11350), (3178, 10050), (3350, 9534), (3405, 9380), (4020, 7945), (4540, 7035), (4690, 6810), (4767, 6700), (5025, 6356), (5628, 5675)]