209249156920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1\times {\mathrm{97327}}^1$

素因数の和:98308

約数の個数: 64

約数和(自身を含む): 479320934400

約数和(自身を除く): 270071777480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 911, 1180, 1822, 2360, 3644, 4555, 7288, 9110, 18220, 36440, 53749, 97327, 107498, 194654, 214996, 268745, 389308, 429992, 486635, 537490, 778616, 973270, 1074980, 1946540, 2149960, 3893080, 5742293, 11484586, 22969172, 28711465, 45938344, 57422930, 88664897, 114845860, 177329794, 229691720, 354659588, 443324485, 709319176, 886648970, 1773297940, 3546595880, 5231228923, 10462457846, 20924915692, 26156144615, 41849831384, 52312289230, 104624578460, 209249156920]

約数ペア:

[(1, 209249156920), (2, 104624578460), (4, 52312289230), (5, 41849831384), (8, 26156144615), (10, 20924915692), (20, 10462457846), (40, 5231228923), (59, 3546595880), (118, 1773297940), (236, 886648970), (295, 709319176), (472, 443324485), (590, 354659588), (911, 229691720), (1180, 177329794), (1822, 114845860), (2360, 88664897), (3644, 57422930), (4555, 45938344), (7288, 28711465), (9110, 22969172), (18220, 11484586), (36440, 5742293), (53749, 3893080), (97327, 2149960), (107498, 1946540), (194654, 1074980), (214996, 973270), (268745, 778616), (389308, 537490), (429992, 486635)]