349053460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{1009}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 855950760

約数和(自身を除く): 506897300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 353, 490, 706, 980, 1009, 1412, 1765, 2018, 2471, 3530, 4036, 4942, 5045, 7060, 7063, 9884, 10090, 12355, 14126, 17297, 20180, 24710, 28252, 34594, 35315, 49420, 49441, 69188, 70630, 86485, 98882, 141260, 172970, 197764, 247205, 345940, 356177, 494410, 712354, 988820, 1424708, 1780885, 2493239, 3561770, 4986478, 7123540, 9972956, 12466195, 17452673, 24932390, 34905346, 49864780, 69810692, 87263365, 174526730, 349053460]

約数ペア:

[(1, 349053460), (2, 174526730), (4, 87263365), (5, 69810692), (7, 49864780), (10, 34905346), (14, 24932390), (20, 17452673), (28, 12466195), (35, 9972956), (49, 7123540), (70, 4986478), (98, 3561770), (140, 2493239), (196, 1780885), (245, 1424708), (353, 988820), (490, 712354), (706, 494410), (980, 356177), (1009, 345940), (1412, 247205), (1765, 197764), (2018, 172970), (2471, 141260), (3530, 98882), (4036, 86485), (4942, 70630), (5045, 69188), (7060, 49441), (7063, 49420), (9884, 35315), (10090, 34594), (12355, 28252), (14126, 24710), (17297, 20180)]