208778830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 424569600

約数和(自身を除く): 215790770

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 130, 145, 158, 290, 377, 395, 701, 754, 790, 1027, 1402, 1885, 2054, 2291, 3505, 3770, 4582, 5135, 7010, 9113, 10270, 11455, 18226, 20329, 22910, 29783, 40658, 45565, 55379, 59566, 91130, 101645, 110758, 148915, 203290, 264277, 276895, 297830, 528554, 553790, 719927, 1321385, 1439854, 1605991, 2642770, 3211982, 3599635, 7199270, 8029955, 16059910, 20877883, 41755766, 104389415, 208778830]

約数ペア:

[(1, 208778830), (2, 104389415), (5, 41755766), (10, 20877883), (13, 16059910), (26, 8029955), (29, 7199270), (58, 3599635), (65, 3211982), (79, 2642770), (130, 1605991), (145, 1439854), (158, 1321385), (290, 719927), (377, 553790), (395, 528554), (701, 297830), (754, 276895), (790, 264277), (1027, 203290), (1402, 148915), (1885, 110758), (2054, 101645), (2291, 91130), (3505, 59566), (3770, 55379), (4582, 45565), (5135, 40658), (7010, 29783), (9113, 22910), (10270, 20329), (11455, 18226)]