40398902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2719}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 30103498

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 2719, 5438, 7429, 14858, 46223, 51661, 62537, 92446, 103322, 125074, 878237, 1063129, 1188203, 1756474, 2126258, 2376406, 20199451, 40398902]

約数ペア:

[(1, 40398902), (2, 20199451), (17, 2376406), (19, 2126258), (23, 1756474), (34, 1188203), (38, 1063129), (46, 878237), (323, 125074), (391, 103322), (437, 92446), (646, 62537), (782, 51661), (874, 46223), (2719, 14858), (5438, 7429)]