31559950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 62496000

約数和(自身を除く): 30936050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 139, 190, 239, 278, 475, 478, 695, 950, 1195, 1390, 2390, 2641, 3475, 4541, 5282, 5975, 6950, 9082, 11950, 13205, 22705, 26410, 33221, 45410, 66025, 66442, 113525, 132050, 166105, 227050, 332210, 631199, 830525, 1262398, 1661050, 3155995, 6311990, 15779975, 31559950]

約数ペア:

[(1, 31559950), (2, 15779975), (5, 6311990), (10, 3155995), (19, 1661050), (25, 1262398), (38, 830525), (50, 631199), (95, 332210), (139, 227050), (190, 166105), (239, 132050), (278, 113525), (475, 66442), (478, 66025), (695, 45410), (950, 33221), (1195, 26410), (1390, 22705), (2390, 13205), (2641, 11950), (3475, 9082), (4541, 6950), (5282, 5975)]