42147290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 79349760

約数和(自身を除く): 37202470

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 1721, 2449, 3442, 4898, 8605, 12245, 17210, 24490, 53351, 106702, 135959, 266755, 271918, 533510, 679795, 1359590, 4214729, 8429458, 21073645, 42147290]

約数ペア:

[(1, 42147290), (2, 21073645), (5, 8429458), (10, 4214729), (31, 1359590), (62, 679795), (79, 533510), (155, 271918), (158, 266755), (310, 135959), (395, 106702), (790, 53351), (1721, 24490), (2449, 17210), (3442, 12245), (4898, 8605)]