210941000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3063

約数の個数: 64

約数和(自身を含む): 500722560

約数和(自身を除く): 289781560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 284, 355, 500, 568, 710, 1000, 1420, 1775, 2840, 2971, 3550, 5942, 7100, 8875, 11884, 14200, 14855, 17750, 23768, 29710, 35500, 59420, 71000, 74275, 118840, 148550, 210941, 297100, 371375, 421882, 594200, 742750, 843764, 1054705, 1485500, 1687528, 2109410, 2971000, 4218820, 5273525, 8437640, 10547050, 21094100, 26367625, 42188200, 52735250, 105470500, 210941000]

約数ペア:

[(1, 210941000), (2, 105470500), (4, 52735250), (5, 42188200), (8, 26367625), (10, 21094100), (20, 10547050), (25, 8437640), (40, 5273525), (50, 4218820), (71, 2971000), (100, 2109410), (125, 1687528), (142, 1485500), (200, 1054705), (250, 843764), (284, 742750), (355, 594200), (500, 421882), (568, 371375), (710, 297100), (1000, 210941), (1420, 148550), (1775, 118840), (2840, 74275), (2971, 71000), (3550, 59420), (5942, 35500), (7100, 29710), (8875, 23768), (11884, 17750), (14200, 14855)]