131418820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 321753600

約数和(自身を除く): 190334780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 52, 65, 74, 76, 95, 130, 148, 185, 190, 247, 260, 370, 380, 481, 494, 703, 719, 740, 962, 988, 1235, 1406, 1438, 1924, 2405, 2470, 2812, 2876, 3515, 3595, 4810, 4940, 7030, 7190, 9139, 9347, 9620, 13661, 14060, 14380, 18278, 18694, 26603, 27322, 36556, 37388, 45695, 46735, 53206, 54644, 68305, 91390, 93470, 106412, 133015, 136610, 177593, 182780, 186940, 266030, 273220, 345839, 355186, 505457, 532060, 691678, 710372, 887965, 1010914, 1383356, 1729195, 1775930, 2021828, 2527285, 3458390, 3551860, 5054570, 6570941, 6916780, 10109140, 13141882, 26283764, 32854705, 65709410, 131418820]

約数ペア:

[(1, 131418820), (2, 65709410), (4, 32854705), (5, 26283764), (10, 13141882), (13, 10109140), (19, 6916780), (20, 6570941), (26, 5054570), (37, 3551860), (38, 3458390), (52, 2527285), (65, 2021828), (74, 1775930), (76, 1729195), (95, 1383356), (130, 1010914), (148, 887965), (185, 710372), (190, 691678), (247, 532060), (260, 505457), (370, 355186), (380, 345839), (481, 273220), (494, 266030), (703, 186940), (719, 182780), (740, 177593), (962, 136610), (988, 133015), (1235, 106412), (1406, 93470), (1438, 91390), (1924, 68305), (2405, 54644), (2470, 53206), (2812, 46735), (2876, 45695), (3515, 37388), (3595, 36556), (4810, 27322), (4940, 26603), (7030, 18694), (7190, 18278), (9139, 14380), (9347, 14060), (9620, 13661)]