620883910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 1201132800

約数和(自身を除く): 580248890

約数列:

[1, 2, 5, 10, 29, 41, 58, 79, 82, 145, 158, 205, 290, 395, 410, 661, 790, 1189, 1322, 2291, 2378, 3239, 3305, 4582, 5945, 6478, 6610, 11455, 11890, 16195, 19169, 22910, 27101, 32390, 38338, 52219, 54202, 93931, 95845, 104438, 135505, 187862, 191690, 261095, 271010, 469655, 522190, 785929, 939310, 1514351, 1571858, 2140979, 3028702, 3929645, 4281958, 7571755, 7859290, 10704895, 15143510, 21409790, 62088391, 124176782, 310441955, 620883910]

約数ペア:

[(1, 620883910), (2, 310441955), (5, 124176782), (10, 62088391), (29, 21409790), (41, 15143510), (58, 10704895), (79, 7859290), (82, 7571755), (145, 4281958), (158, 3929645), (205, 3028702), (290, 2140979), (395, 1571858), (410, 1514351), (661, 939310), (790, 785929), (1189, 522190), (1322, 469655), (2291, 271010), (2378, 261095), (3239, 191690), (3305, 187862), (4582, 135505), (5945, 104438), (6478, 95845), (6610, 93931), (11455, 54202), (11890, 52219), (16195, 38338), (19169, 32390), (22910, 27101)]