61990540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4409}}^1$

素因数の和:4474

約数の個数: 48

約数和(自身を含む): 140767200

約数和(自身を除く): 78776660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 4409, 7030, 8818, 14060, 17636, 22045, 44090, 83771, 88180, 163133, 167542, 326266, 335084, 418855, 652532, 815665, 837710, 1631330, 1675420, 3099527, 3262660, 6199054, 12398108, 15497635, 30995270, 61990540]

約数ペア:

[(1, 61990540), (2, 30995270), (4, 15497635), (5, 12398108), (10, 6199054), (19, 3262660), (20, 3099527), (37, 1675420), (38, 1631330), (74, 837710), (76, 815665), (95, 652532), (148, 418855), (185, 335084), (190, 326266), (370, 167542), (380, 163133), (703, 88180), (740, 83771), (1406, 44090), (2812, 22045), (3515, 17636), (4409, 14060), (7030, 8818)]