210901075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 329978880

約数和(自身を除く): 119077805

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 89, 175, 275, 385, 445, 623, 979, 1231, 1925, 2225, 3115, 4895, 6155, 6853, 8617, 13541, 15575, 24475, 30775, 34265, 43085, 67705, 94787, 109559, 171325, 215425, 338525, 473935, 547795, 766913, 1205149, 2369675, 2738975, 3834565, 6025745, 8436043, 19172825, 30128725, 42180215, 210901075]

約数ペア:

[(1, 210901075), (5, 42180215), (7, 30128725), (11, 19172825), (25, 8436043), (35, 6025745), (55, 3834565), (77, 2738975), (89, 2369675), (175, 1205149), (275, 766913), (385, 547795), (445, 473935), (623, 338525), (979, 215425), (1231, 171325), (1925, 109559), (2225, 94787), (3115, 67705), (4895, 43085), (6155, 34265), (6853, 30775), (8617, 24475), (13541, 15575)]