28138955180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4902257}}^1$

素因数の和:4902314

約数の個数: 48

約数和(自身を含む): 69180664896

約数和(自身を除く): 41041709716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 4902257, 9804514, 19609028, 24511285, 34315799, 49022570, 68631598, 98045140, 137263196, 171578995, 200992537, 343157990, 401985074, 686315980, 803970148, 1004962685, 1406947759, 2009925370, 2813895518, 4019850740, 5627791036, 7034738795, 14069477590, 28138955180]

約数ペア:

[(1, 28138955180), (2, 14069477590), (4, 7034738795), (5, 5627791036), (7, 4019850740), (10, 2813895518), (14, 2009925370), (20, 1406947759), (28, 1004962685), (35, 803970148), (41, 686315980), (70, 401985074), (82, 343157990), (140, 200992537), (164, 171578995), (205, 137263196), (287, 98045140), (410, 68631598), (574, 49022570), (820, 34315799), (1148, 24511285), (1435, 19609028), (2870, 9804514), (5740, 4902257)]