2544860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 5809440

約数和(自身を除く): 3264580

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 181, 185, 190, 362, 370, 380, 703, 724, 740, 905, 1406, 1810, 2812, 3439, 3515, 3620, 6697, 6878, 7030, 13394, 13756, 14060, 17195, 26788, 33485, 34390, 66970, 68780, 127243, 133940, 254486, 508972, 636215, 1272430, 2544860]

約数ペア:

[(1, 2544860), (2, 1272430), (4, 636215), (5, 508972), (10, 254486), (19, 133940), (20, 127243), (37, 68780), (38, 66970), (74, 34390), (76, 33485), (95, 26788), (148, 17195), (181, 14060), (185, 13756), (190, 13394), (362, 7030), (370, 6878), (380, 6697), (703, 3620), (724, 3515), (740, 3439), (905, 2812), (1406, 1810)]