289905940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{245683}}^1$

素因数の和:245751

約数の個数: 24

約数和(自身を含む): 619123680

約数和(自身を除く): 329217740

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 245683, 491366, 982732, 1228415, 2456830, 4913660, 14495297, 28990594, 57981188, 72476485, 144952970, 289905940]

約数ペア:

[(1, 289905940), (2, 144952970), (4, 72476485), (5, 57981188), (10, 28990594), (20, 14495297), (59, 4913660), (118, 2456830), (236, 1228415), (295, 982732), (590, 491366), (1180, 245683)]