208047650740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1\times {\mathrm{1657}}^1$

素因数の和:2657

約数の個数: 96

約数和(自身を含む): 453407238144

約数和(自身を除く): 245359587404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 313, 620, 626, 647, 1252, 1294, 1565, 1657, 2588, 3130, 3235, 3314, 6260, 6470, 6628, 8285, 9703, 12940, 16570, 19406, 20057, 33140, 38812, 40114, 48515, 51367, 80228, 97030, 100285, 102734, 194060, 200570, 202511, 205468, 256835, 401140, 405022, 513670, 518641, 810044, 1012555, 1027340, 1037282, 1072079, 2025110, 2074564, 2144158, 2593205, 4050220, 4288316, 5186410, 5360395, 6277841, 10372820, 10720790, 12555682, 16077871, 21441580, 25111364, 31389205, 32155742, 33234449, 62778410, 64311484, 66468898, 80389355, 125556820, 132937796, 160778710, 166172245, 321557420, 332344490, 335560727, 664688980, 671121454, 1342242908, 1677803635, 3355607270, 6711214540, 10402382537, 20804765074, 41609530148, 52011912685, 104023825370, 208047650740]

約数ペア:

[(1, 208047650740), (2, 104023825370), (4, 52011912685), (5, 41609530148), (10, 20804765074), (20, 10402382537), (31, 6711214540), (62, 3355607270), (124, 1677803635), (155, 1342242908), (310, 671121454), (313, 664688980), (620, 335560727), (626, 332344490), (647, 321557420), (1252, 166172245), (1294, 160778710), (1565, 132937796), (1657, 125556820), (2588, 80389355), (3130, 66468898), (3235, 64311484), (3314, 62778410), (6260, 33234449), (6470, 32155742), (6628, 31389205), (8285, 25111364), (9703, 21441580), (12940, 16077871), (16570, 12555682), (19406, 10720790), (20057, 10372820), (33140, 6277841), (38812, 5360395), (40114, 5186410), (48515, 4288316), (51367, 4050220), (80228, 2593205), (97030, 2144158), (100285, 2074564), (102734, 2025110), (194060, 1072079), (200570, 1037282), (202511, 1027340), (205468, 1012555), (256835, 810044), (401140, 518641), (405022, 513670)]