7678850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 15400800

約数和(自身を除く): 7721950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 137, 190, 274, 295, 475, 590, 685, 950, 1121, 1370, 1475, 2242, 2603, 2950, 3425, 5206, 5605, 6850, 8083, 11210, 13015, 16166, 26030, 28025, 40415, 56050, 65075, 80830, 130150, 153577, 202075, 307154, 404150, 767885, 1535770, 3839425, 7678850]

約数ペア:

[(1, 7678850), (2, 3839425), (5, 1535770), (10, 767885), (19, 404150), (25, 307154), (38, 202075), (50, 153577), (59, 130150), (95, 80830), (118, 65075), (137, 56050), (190, 40415), (274, 28025), (295, 26030), (475, 16166), (590, 13015), (685, 11210), (950, 8083), (1121, 6850), (1370, 5605), (1475, 5206), (2242, 3425), (2603, 2950)]