245882980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:594

約数の個数: 96

約数和(自身を含む): 611654400

約数和(自身を除く): 365771420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 343, 365, 490, 491, 511, 686, 730, 980, 982, 1022, 1372, 1460, 1715, 1964, 2044, 2455, 2555, 3430, 3437, 3577, 4910, 5110, 6860, 6874, 7154, 9820, 10220, 13748, 14308, 17185, 17885, 24059, 25039, 34370, 35770, 35843, 48118, 50078, 68740, 71540, 71686, 96236, 100156, 120295, 125195, 143372, 168413, 179215, 240590, 250390, 250901, 336826, 358430, 481180, 500780, 501802, 673652, 716860, 842065, 1003604, 1254505, 1684130, 1756307, 2509010, 3368260, 3512614, 5018020, 7025228, 8781535, 12294149, 17563070, 24588298, 35126140, 49176596, 61470745, 122941490, 245882980]

約数ペア:

[(1, 245882980), (2, 122941490), (4, 61470745), (5, 49176596), (7, 35126140), (10, 24588298), (14, 17563070), (20, 12294149), (28, 8781535), (35, 7025228), (49, 5018020), (70, 3512614), (73, 3368260), (98, 2509010), (140, 1756307), (146, 1684130), (196, 1254505), (245, 1003604), (292, 842065), (343, 716860), (365, 673652), (490, 501802), (491, 500780), (511, 481180), (686, 358430), (730, 336826), (980, 250901), (982, 250390), (1022, 240590), (1372, 179215), (1460, 168413), (1715, 143372), (1964, 125195), (2044, 120295), (2455, 100156), (2555, 96236), (3430, 71686), (3437, 71540), (3577, 68740), (4910, 50078), (5110, 48118), (6860, 35843), (6874, 35770), (7154, 34370), (9820, 25039), (10220, 24059), (13748, 17885), (14308, 17185)]