9793940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 22391040

約数和(自身を除く): 12597100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 271, 278, 542, 556, 695, 1084, 1355, 1390, 1807, 2710, 2780, 3523, 3614, 5420, 7046, 7228, 9035, 14092, 17615, 18070, 35230, 36140, 37669, 70460, 75338, 150676, 188345, 376690, 489697, 753380, 979394, 1958788, 2448485, 4896970, 9793940]

約数ペア:

[(1, 9793940), (2, 4896970), (4, 2448485), (5, 1958788), (10, 979394), (13, 753380), (20, 489697), (26, 376690), (52, 188345), (65, 150676), (130, 75338), (139, 70460), (260, 37669), (271, 36140), (278, 35230), (542, 18070), (556, 17615), (695, 14092), (1084, 9035), (1355, 7228), (1390, 7046), (1807, 5420), (2710, 3614), (2780, 3523)]