394517340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313109}}^1$

素因数の和:313131

約数の個数: 72

約数和(自身を含む): 1367664480

約数和(自身を除く): 973147140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 313109, 626218, 939327, 1252436, 1565545, 1878654, 2191763, 2817981, 3131090, 3757308, 4383526, 4696635, 5635962, 6262180, 6575289, 8767052, 9393270, 10958815, 11271924, 13150578, 14089905, 18786540, 19725867, 21917630, 26301156, 28179810, 32876445, 39451734, 43835260, 56359620, 65752890, 78903468, 98629335, 131505780, 197258670, 394517340]

約数ペア:

[(1, 394517340), (2, 197258670), (3, 131505780), (4, 98629335), (5, 78903468), (6, 65752890), (7, 56359620), (9, 43835260), (10, 39451734), (12, 32876445), (14, 28179810), (15, 26301156), (18, 21917630), (20, 19725867), (21, 18786540), (28, 14089905), (30, 13150578), (35, 11271924), (36, 10958815), (42, 9393270), (45, 8767052), (60, 6575289), (63, 6262180), (70, 5635962), (84, 4696635), (90, 4383526), (105, 3757308), (126, 3131090), (140, 2817981), (180, 2191763), (210, 1878654), (252, 1565545), (315, 1252436), (420, 939327), (630, 626218), (1260, 313109)]