1911465040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{17791}}^1$

素因数の和:17900

約数の個数: 80

約数和(自身を含む): 4765409280

約数和(自身を除く): 2853944240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2686, 3160, 5372, 6320, 6715, 10744, 13430, 17791, 21488, 26860, 35582, 53720, 71164, 88955, 107440, 142328, 177910, 284656, 302447, 355820, 604894, 711640, 1209788, 1405489, 1423280, 1512235, 2419576, 2810978, 3024470, 4839152, 5621956, 6048940, 7027445, 11243912, 12097880, 14054890, 22487824, 23893313, 24195760, 28109780, 47786626, 56219560, 95573252, 112439120, 119466565, 191146504, 238933130, 382293008, 477866260, 955732520, 1911465040]

約数ペア:

[(1, 1911465040), (2, 955732520), (4, 477866260), (5, 382293008), (8, 238933130), (10, 191146504), (16, 119466565), (17, 112439120), (20, 95573252), (34, 56219560), (40, 47786626), (68, 28109780), (79, 24195760), (80, 23893313), (85, 22487824), (136, 14054890), (158, 12097880), (170, 11243912), (272, 7027445), (316, 6048940), (340, 5621956), (395, 4839152), (632, 3024470), (680, 2810978), (790, 2419576), (1264, 1512235), (1343, 1423280), (1360, 1405489), (1580, 1209788), (2686, 711640), (3160, 604894), (5372, 355820), (6320, 302447), (6715, 284656), (10744, 177910), (13430, 142328), (17791, 107440), (21488, 88955), (26860, 71164), (35582, 53720)]