318206840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49411}}^1$

素因数の和:49452

約数の個数: 64

約数和(自身を含む): 853839360

約数和(自身を除く): 535632520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 49411, 98822, 197644, 247055, 345877, 395288, 494110, 691754, 988220, 1136453, 1383508, 1729385, 1976440, 2272906, 2767016, 3458770, 4545812, 5682265, 6917540, 7955171, 9091624, 11364530, 13835080, 15910342, 22729060, 31820684, 39775855, 45458120, 63641368, 79551710, 159103420, 318206840]

約数ペア:

[(1, 318206840), (2, 159103420), (4, 79551710), (5, 63641368), (7, 45458120), (8, 39775855), (10, 31820684), (14, 22729060), (20, 15910342), (23, 13835080), (28, 11364530), (35, 9091624), (40, 7955171), (46, 6917540), (56, 5682265), (70, 4545812), (92, 3458770), (115, 2767016), (140, 2272906), (161, 1976440), (184, 1729385), (230, 1383508), (280, 1136453), (322, 988220), (460, 691754), (644, 494110), (805, 395288), (920, 345877), (1288, 247055), (1610, 197644), (3220, 98822), (6440, 49411)]