349105880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16561}}^1$

素因数の和:16620

約数の個数: 64

約数和(自身を含む): 858574080

約数和(自身を除く): 509468200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 16561, 21080, 33122, 66244, 82805, 132488, 165610, 281537, 331220, 513391, 563074, 662440, 1026782, 1126148, 1407685, 2053564, 2252296, 2566955, 2815370, 4107128, 5133910, 5630740, 8727647, 10267820, 11261480, 17455294, 20535640, 34910588, 43638235, 69821176, 87276470, 174552940, 349105880]

約数ペア:

[(1, 349105880), (2, 174552940), (4, 87276470), (5, 69821176), (8, 43638235), (10, 34910588), (17, 20535640), (20, 17455294), (31, 11261480), (34, 10267820), (40, 8727647), (62, 5630740), (68, 5133910), (85, 4107128), (124, 2815370), (136, 2566955), (155, 2252296), (170, 2053564), (248, 1407685), (310, 1126148), (340, 1026782), (527, 662440), (620, 563074), (680, 513391), (1054, 331220), (1240, 281537), (2108, 165610), (2635, 132488), (4216, 82805), (5270, 66244), (10540, 33122), (16561, 21080)]