7739480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 20148480

約数和(自身を除く): 12409000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 211, 262, 280, 422, 524, 655, 844, 917, 1048, 1055, 1310, 1477, 1688, 1834, 2110, 2620, 2954, 3668, 4220, 4585, 5240, 5908, 7336, 7385, 8440, 9170, 11816, 14770, 18340, 27641, 29540, 36680, 55282, 59080, 110564, 138205, 193487, 221128, 276410, 386974, 552820, 773948, 967435, 1105640, 1547896, 1934870, 3869740, 7739480]

約数ペア:

[(1, 7739480), (2, 3869740), (4, 1934870), (5, 1547896), (7, 1105640), (8, 967435), (10, 773948), (14, 552820), (20, 386974), (28, 276410), (35, 221128), (40, 193487), (56, 138205), (70, 110564), (131, 59080), (140, 55282), (211, 36680), (262, 29540), (280, 27641), (422, 18340), (524, 14770), (655, 11816), (844, 9170), (917, 8440), (1048, 7385), (1055, 7336), (1310, 5908), (1477, 5240), (1688, 4585), (1834, 4220), (2110, 3668), (2620, 2954)]