198773860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18859}}^1$

素因数の和:18916

約数の個数: 48

約数和(自身を含む): 456261120

約数和(自身を除く): 257487260

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 18859, 37718, 75436, 94295, 188590, 320603, 377180, 584629, 641206, 1169258, 1282412, 1603015, 2338516, 2923145, 3206030, 5846290, 6412060, 9938693, 11692580, 19877386, 39754772, 49693465, 99386930, 198773860]

約数ペア:

[(1, 198773860), (2, 99386930), (4, 49693465), (5, 39754772), (10, 19877386), (17, 11692580), (20, 9938693), (31, 6412060), (34, 5846290), (62, 3206030), (68, 2923145), (85, 2338516), (124, 1603015), (155, 1282412), (170, 1169258), (310, 641206), (340, 584629), (527, 377180), (620, 320603), (1054, 188590), (2108, 94295), (2635, 75436), (5270, 37718), (10540, 18859)]