28274660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2011}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 64223040

約数和(自身を除く): 35948380

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2011, 2812, 3515, 4022, 7030, 8044, 10055, 14060, 20110, 38209, 40220, 74407, 76418, 148814, 152836, 191045, 297628, 372035, 382090, 744070, 764180, 1413733, 1488140, 2827466, 5654932, 7068665, 14137330, 28274660]

約数ペア:

[(1, 28274660), (2, 14137330), (4, 7068665), (5, 5654932), (10, 2827466), (19, 1488140), (20, 1413733), (37, 764180), (38, 744070), (74, 382090), (76, 372035), (95, 297628), (148, 191045), (185, 152836), (190, 148814), (370, 76418), (380, 74407), (703, 40220), (740, 38209), (1406, 20110), (2011, 14060), (2812, 10055), (3515, 8044), (4022, 7030)]