155622100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{19699}}^1$

素因数の和:19792

約数の個数: 36

約数和(自身を含む): 341992000

約数和(自身を除く): 186369900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 19699, 39398, 78796, 98495, 196990, 393980, 492475, 984950, 1556221, 1969900, 3112442, 6224884, 7781105, 15562210, 31124420, 38905525, 77811050, 155622100]

約数ペア:

[(1, 155622100), (2, 77811050), (4, 38905525), (5, 31124420), (10, 15562210), (20, 7781105), (25, 6224884), (50, 3112442), (79, 1969900), (100, 1556221), (158, 984950), (316, 492475), (395, 393980), (790, 196990), (1580, 98495), (1975, 78796), (3950, 39398), (7900, 19699)]