3640175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 5904384

約数和(自身を除く): 2264209

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 61, 77, 155, 175, 217, 275, 305, 341, 385, 427, 671, 775, 1085, 1525, 1705, 1891, 1925, 2135, 2387, 3355, 4697, 5425, 8525, 9455, 10675, 11935, 13237, 16775, 20801, 23485, 47275, 59675, 66185, 104005, 117425, 145607, 330925, 520025, 728035, 3640175]

約数ペア:

[(1, 3640175), (5, 728035), (7, 520025), (11, 330925), (25, 145607), (31, 117425), (35, 104005), (55, 66185), (61, 59675), (77, 47275), (155, 23485), (175, 20801), (217, 16775), (275, 13237), (305, 11935), (341, 10675), (385, 9455), (427, 8525), (671, 5425), (775, 4697), (1085, 3355), (1525, 2387), (1705, 2135), (1891, 1925)]