281036240

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{5189}}^1$

素因数の和:5879

約数の個数: 40

約数和(自身を含む): 654500520

約数和(自身を除く): 373464280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 3385, 5189, 5416, 6770, 10378, 10832, 13540, 20756, 25945, 27080, 41512, 51890, 54160, 83024, 103780, 207560, 415120, 3512953, 7025906, 14051812, 17564765, 28103624, 35129530, 56207248, 70259060, 140518120, 281036240]

約数ペア:

[(1, 281036240), (2, 140518120), (4, 70259060), (5, 56207248), (8, 35129530), (10, 28103624), (16, 17564765), (20, 14051812), (40, 7025906), (80, 3512953), (677, 415120), (1354, 207560), (2708, 103780), (3385, 83024), (5189, 54160), (5416, 51890), (6770, 41512), (10378, 27080), (10832, 25945), (13540, 20756)]