68845490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 145589400

約数和(自身を除く): 76743910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 763, 1090, 1289, 1526, 2578, 3815, 5341, 6445, 7630, 9023, 10682, 12890, 18046, 26705, 45115, 53410, 63161, 90230, 126322, 140501, 281002, 315805, 631610, 702505, 983507, 1405010, 1967014, 4917535, 6884549, 9835070, 13769098, 34422745, 68845490]

約数ペア:

[(1, 68845490), (2, 34422745), (5, 13769098), (7, 9835070), (10, 6884549), (14, 4917535), (35, 1967014), (49, 1405010), (70, 983507), (98, 702505), (109, 631610), (218, 315805), (245, 281002), (490, 140501), (545, 126322), (763, 90230), (1090, 63161), (1289, 53410), (1526, 45115), (2578, 26705), (3815, 18046), (5341, 12890), (6445, 10682), (7630, 9023)]