205426375

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3049}}^1$

素因数の和:3089

約数の個数: 48

約数和(自身を含む): 325447200

約数和(自身を除く): 120020825

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 245, 275, 385, 539, 875, 1225, 1375, 1925, 2695, 3049, 6125, 9625, 13475, 15245, 21343, 33539, 67375, 76225, 106715, 149401, 167695, 234773, 381125, 533575, 747005, 838475, 1173865, 1643411, 2667875, 3735025, 4192375, 5869325, 8217055, 18675125, 29346625, 41085275, 205426375]

約数ペア:

[(1, 205426375), (5, 41085275), (7, 29346625), (11, 18675125), (25, 8217055), (35, 5869325), (49, 4192375), (55, 3735025), (77, 2667875), (125, 1643411), (175, 1173865), (245, 838475), (275, 747005), (385, 533575), (539, 381125), (875, 234773), (1225, 167695), (1375, 149401), (1925, 106715), (2695, 76225), (3049, 67375), (6125, 33539), (9625, 21343), (13475, 15245)]