28960225

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 36

約数和(自身を含む): 42747264

約数和(自身を除く): 13787039

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 503, 1175, 1225, 1645, 2303, 2515, 3521, 8225, 11515, 12575, 17605, 23641, 24647, 57575, 88025, 118205, 123235, 165487, 591025, 616175, 827435, 1158409, 4137175, 5792045, 28960225]

約数ペア:

[(1, 28960225), (5, 5792045), (7, 4137175), (25, 1158409), (35, 827435), (47, 616175), (49, 591025), (175, 165487), (235, 123235), (245, 118205), (329, 88025), (503, 57575), (1175, 24647), (1225, 23641), (1645, 17605), (2303, 12575), (2515, 11515), (3521, 8225)]