7282210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 14757120

約数和(自身を除く): 7474910

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 139, 155, 169, 278, 310, 338, 403, 695, 806, 845, 1390, 1690, 1807, 2015, 3614, 4030, 4309, 5239, 8618, 9035, 10478, 18070, 21545, 23491, 26195, 43090, 46982, 52390, 56017, 112034, 117455, 234910, 280085, 560170, 728221, 1456442, 3641105, 7282210]

約数ペア:

[(1, 7282210), (2, 3641105), (5, 1456442), (10, 728221), (13, 560170), (26, 280085), (31, 234910), (62, 117455), (65, 112034), (130, 56017), (139, 52390), (155, 46982), (169, 43090), (278, 26195), (310, 23491), (338, 21545), (403, 18070), (695, 10478), (806, 9035), (845, 8618), (1390, 5239), (1690, 4309), (1807, 4030), (2015, 3614)]