28007900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{14741}}^1$

素因数の和:14774

約数の個数: 36

約数和(自身を含む): 63980280

約数和(自身を除く): 35972380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 14741, 29482, 58964, 73705, 147410, 280079, 294820, 368525, 560158, 737050, 1120316, 1400395, 1474100, 2800790, 5601580, 7001975, 14003950, 28007900]

約数ペア:

[(1, 28007900), (2, 14003950), (4, 7001975), (5, 5601580), (10, 2800790), (19, 1474100), (20, 1400395), (25, 1120316), (38, 737050), (50, 560158), (76, 368525), (95, 294820), (100, 280079), (190, 147410), (380, 73705), (475, 58964), (950, 29482), (1900, 14741)]