389699846780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2843}}^1\times {\mathrm{49307}}^1$

素因数の和:52298

約数の個数: 48

約数和(自身を含む): 824563877760

約数和(自身を除く): 434864030980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 2843, 5686, 11372, 14215, 28430, 49307, 56860, 98614, 197228, 246535, 395177, 493070, 790354, 986140, 1580708, 1975885, 3951770, 6853673, 7903540, 13707346, 27414692, 34268365, 68536730, 137073460, 140179801, 280359602, 560719204, 700899005, 1401798010, 2803596020, 19484992339, 38969984678, 77939969356, 97424961695, 194849923390, 389699846780]

約数ペア:

[(1, 389699846780), (2, 194849923390), (4, 97424961695), (5, 77939969356), (10, 38969984678), (20, 19484992339), (139, 2803596020), (278, 1401798010), (556, 700899005), (695, 560719204), (1390, 280359602), (2780, 140179801), (2843, 137073460), (5686, 68536730), (11372, 34268365), (14215, 27414692), (28430, 13707346), (49307, 7903540), (56860, 6853673), (98614, 3951770), (197228, 1975885), (246535, 1580708), (395177, 986140), (493070, 790354)]