19333300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 29413580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 389, 497, 700, 710, 778, 994, 1420, 1556, 1775, 1945, 1988, 2485, 2723, 3550, 3890, 4970, 5446, 7100, 7780, 9725, 9940, 10892, 12425, 13615, 19450, 24850, 27230, 27619, 38900, 49700, 54460, 55238, 68075, 110476, 136150, 138095, 193333, 272300, 276190, 386666, 552380, 690475, 773332, 966665, 1380950, 1933330, 2761900, 3866660, 4833325, 9666650, 19333300]

約数ペア:

[(1, 19333300), (2, 9666650), (4, 4833325), (5, 3866660), (7, 2761900), (10, 1933330), (14, 1380950), (20, 966665), (25, 773332), (28, 690475), (35, 552380), (50, 386666), (70, 276190), (71, 272300), (100, 193333), (140, 138095), (142, 136150), (175, 110476), (284, 68075), (350, 55238), (355, 54460), (389, 49700), (497, 38900), (700, 27619), (710, 27230), (778, 24850), (994, 19450), (1420, 13615), (1556, 12425), (1775, 10892), (1945, 9940), (1988, 9725), (2485, 7780), (2723, 7100), (3550, 5446), (3890, 4970)]