8999340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{3061}}^1$

素因数の和:3087

約数の個数: 72

約数和(自身を含む): 29321712

約数和(自身を除く): 20322372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 3061, 6122, 9183, 12244, 15305, 18366, 21427, 30610, 36732, 42854, 45915, 61220, 64281, 85708, 91830, 107135, 128562, 149989, 183660, 214270, 257124, 299978, 321405, 428540, 449967, 599956, 642810, 749945, 899934, 1285620, 1499890, 1799868, 2249835, 2999780, 4499670, 8999340]

約数ペア:

[(1, 8999340), (2, 4499670), (3, 2999780), (4, 2249835), (5, 1799868), (6, 1499890), (7, 1285620), (10, 899934), (12, 749945), (14, 642810), (15, 599956), (20, 449967), (21, 428540), (28, 321405), (30, 299978), (35, 257124), (42, 214270), (49, 183660), (60, 149989), (70, 128562), (84, 107135), (98, 91830), (105, 85708), (140, 64281), (147, 61220), (196, 45915), (210, 42854), (245, 36732), (294, 30610), (420, 21427), (490, 18366), (588, 15305), (735, 12244), (980, 9183), (1470, 6122), (2940, 3061)]