7649780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 17357760

約数和(自身を除く): 9707980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 491, 779, 820, 982, 1558, 1964, 2455, 3116, 3895, 4910, 7790, 9329, 9820, 15580, 18658, 20131, 37316, 40262, 46645, 80524, 93290, 100655, 186580, 201310, 382489, 402620, 764978, 1529956, 1912445, 3824890, 7649780]

約数ペア:

[(1, 7649780), (2, 3824890), (4, 1912445), (5, 1529956), (10, 764978), (19, 402620), (20, 382489), (38, 201310), (41, 186580), (76, 100655), (82, 93290), (95, 80524), (164, 46645), (190, 40262), (205, 37316), (380, 20131), (410, 18658), (491, 15580), (779, 9820), (820, 9329), (982, 7790), (1558, 4910), (1964, 3895), (2455, 3116)]