201994510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2719}}^1$

素因数の和:2785

約数の個数: 64

約数和(自身を含む): 423014400

約数和(自身を除く): 221019890

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 391, 437, 646, 782, 874, 1615, 1955, 2185, 2719, 3230, 3910, 4370, 5438, 7429, 13595, 14858, 27190, 37145, 46223, 51661, 62537, 74290, 92446, 103322, 125074, 231115, 258305, 312685, 462230, 516610, 625370, 878237, 1063129, 1188203, 1756474, 2126258, 2376406, 4391185, 5315645, 5941015, 8782370, 10631290, 11882030, 20199451, 40398902, 100997255, 201994510]

約数ペア:

[(1, 201994510), (2, 100997255), (5, 40398902), (10, 20199451), (17, 11882030), (19, 10631290), (23, 8782370), (34, 5941015), (38, 5315645), (46, 4391185), (85, 2376406), (95, 2126258), (115, 1756474), (170, 1188203), (190, 1063129), (230, 878237), (323, 625370), (391, 516610), (437, 462230), (646, 312685), (782, 258305), (874, 231115), (1615, 125074), (1955, 103322), (2185, 92446), (2719, 74290), (3230, 62537), (3910, 51661), (4370, 46223), (5438, 37145), (7429, 27190), (13595, 14858)]