77803940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 94926940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 2141, 3634, 4282, 7268, 8564, 9085, 10705, 18170, 21410, 36340, 42820, 49243, 98486, 169139, 196972, 246215, 338278, 492430, 676556, 845695, 984860, 1691390, 3382780, 3890197, 7780394, 15560788, 19450985, 38901970, 77803940]

約数ペア:

[(1, 77803940), (2, 38901970), (4, 19450985), (5, 15560788), (10, 7780394), (20, 3890197), (23, 3382780), (46, 1691390), (79, 984860), (92, 845695), (115, 676556), (158, 492430), (230, 338278), (316, 246215), (395, 196972), (460, 169139), (790, 98486), (1580, 49243), (1817, 42820), (2141, 36340), (3634, 21410), (4282, 18170), (7268, 10705), (8564, 9085)]