258969700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 615835584

約数和(自身を除く): 356865884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 311, 550, 622, 757, 1100, 1244, 1514, 1555, 3028, 3110, 3421, 3785, 6220, 6842, 7570, 7775, 8327, 13684, 15140, 15550, 16654, 17105, 18925, 31100, 33308, 34210, 37850, 41635, 68420, 75700, 83270, 85525, 166540, 171050, 208175, 235427, 342100, 416350, 470854, 832700, 941708, 1177135, 2354270, 2589697, 4708540, 5179394, 5885675, 10358788, 11771350, 12948485, 23542700, 25896970, 51793940, 64742425, 129484850, 258969700]

約数ペア:

[(1, 258969700), (2, 129484850), (4, 64742425), (5, 51793940), (10, 25896970), (11, 23542700), (20, 12948485), (22, 11771350), (25, 10358788), (44, 5885675), (50, 5179394), (55, 4708540), (100, 2589697), (110, 2354270), (220, 1177135), (275, 941708), (311, 832700), (550, 470854), (622, 416350), (757, 342100), (1100, 235427), (1244, 208175), (1514, 171050), (1555, 166540), (3028, 85525), (3110, 83270), (3421, 75700), (3785, 68420), (6220, 41635), (6842, 37850), (7570, 34210), (7775, 33308), (8327, 31100), (13684, 18925), (15140, 17105), (15550, 16654)]