101213900

素因数分解:

$2^2\times 5^2\times {\mathrm{641}}^1\times {\mathrm{1579}}^1$

素因数の和:2234

約数の個数: 36

約数和(自身を含む): 220116120

約数和(自身を除く): 118902220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 641, 1282, 1579, 2564, 3158, 3205, 6316, 6410, 7895, 12820, 15790, 16025, 31580, 32050, 39475, 64100, 78950, 157900, 1012139, 2024278, 4048556, 5060695, 10121390, 20242780, 25303475, 50606950, 101213900]

約数ペア:

[(1, 101213900), (2, 50606950), (4, 25303475), (5, 20242780), (10, 10121390), (20, 5060695), (25, 4048556), (50, 2024278), (100, 1012139), (641, 157900), (1282, 78950), (1579, 64100), (2564, 39475), (3158, 32050), (3205, 31580), (6316, 16025), (6410, 15790), (7895, 12820)]