249979380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{85027}}^1$

素因数の和:85053

約数の個数: 72

約数和(自身を含む): 814228128

約数和(自身を除く): 564248748

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, 85027, 170054, 255081, 340108, 425135, 510162, 595189, 850270, 1020324, 1190378, 1275405, 1700540, 1785567, 2380756, 2550810, 2975945, 3571134, 4166323, 5101620, 5951890, 7142268, 8332646, 8927835, 11903780, 12498969, 16665292, 17855670, 20831615, 24997938, 35711340, 41663230, 49995876, 62494845, 83326460, 124989690, 249979380]

約数ペア:

[(1, 249979380), (2, 124989690), (3, 83326460), (4, 62494845), (5, 49995876), (6, 41663230), (7, 35711340), (10, 24997938), (12, 20831615), (14, 17855670), (15, 16665292), (20, 12498969), (21, 11903780), (28, 8927835), (30, 8332646), (35, 7142268), (42, 5951890), (49, 5101620), (60, 4166323), (70, 3571134), (84, 2975945), (98, 2550810), (105, 2380756), (140, 1785567), (147, 1700540), (196, 1275405), (210, 1190378), (245, 1020324), (294, 850270), (420, 595189), (490, 510162), (588, 425135), (735, 340108), (980, 255081), (1470, 170054), (2940, 85027)]