2419626820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{489803}}^1$

素因数の和:489844

約数の個数: 48

約数和(自身を含む): 5760095040

約数和(自身を除く): 3340468220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 489803, 979606, 1959212, 2449015, 4898030, 6367439, 9306257, 9796060, 12734878, 18612514, 25469756, 31837195, 37225028, 46531285, 63674390, 93062570, 120981341, 127348780, 186125140, 241962682, 483925364, 604906705, 1209813410, 2419626820]

約数ペア:

[(1, 2419626820), (2, 1209813410), (4, 604906705), (5, 483925364), (10, 241962682), (13, 186125140), (19, 127348780), (20, 120981341), (26, 93062570), (38, 63674390), (52, 46531285), (65, 37225028), (76, 31837195), (95, 25469756), (130, 18612514), (190, 12734878), (247, 9796060), (260, 9306257), (380, 6367439), (494, 4898030), (988, 2449015), (1235, 1959212), (2470, 979606), (4940, 489803)]