221290370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{8521}}^1$

素因数の和:8595

約数の個数: 48

約数和(自身を含む): 472152888

約数和(自身を除く): 250862518

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 1855, 2597, 3710, 5194, 8521, 12985, 17042, 25970, 42605, 59647, 85210, 119294, 298235, 417529, 451613, 596470, 835058, 903226, 2087645, 2258065, 3161291, 4175290, 4516130, 6322582, 15806455, 22129037, 31612910, 44258074, 110645185, 221290370]

約数ペア:

[(1, 221290370), (2, 110645185), (5, 44258074), (7, 31612910), (10, 22129037), (14, 15806455), (35, 6322582), (49, 4516130), (53, 4175290), (70, 3161291), (98, 2258065), (106, 2087645), (245, 903226), (265, 835058), (371, 596470), (490, 451613), (530, 417529), (742, 298235), (1855, 119294), (2597, 85210), (3710, 59647), (5194, 42605), (8521, 25970), (12985, 17042)]