291304780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{6709}}^1$

素因数の和:6898

約数の個数: 48

約数和(自身を含む): 662840640

約数和(自身を除く): 371535860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1670, 2171, 3340, 4342, 6709, 8684, 10855, 13418, 21710, 26836, 33545, 43420, 67090, 87217, 134180, 174434, 348868, 436085, 872170, 1120403, 1744340, 2240806, 4481612, 5602015, 11204030, 14565239, 22408060, 29130478, 58260956, 72826195, 145652390, 291304780]

約数ペア:

[(1, 291304780), (2, 145652390), (4, 72826195), (5, 58260956), (10, 29130478), (13, 22408060), (20, 14565239), (26, 11204030), (52, 5602015), (65, 4481612), (130, 2240806), (167, 1744340), (260, 1120403), (334, 872170), (668, 436085), (835, 348868), (1670, 174434), (2171, 134180), (3340, 87217), (4342, 67090), (6709, 43420), (8684, 33545), (10855, 26836), (13418, 21710)]