7734100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 18748800

約数和(自身を除く): 11014700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 89, 100, 110, 158, 178, 220, 275, 316, 356, 395, 445, 550, 790, 869, 890, 979, 1100, 1580, 1738, 1780, 1958, 1975, 2225, 3476, 3916, 3950, 4345, 4450, 4895, 7031, 7900, 8690, 8900, 9790, 14062, 17380, 19580, 21725, 24475, 28124, 35155, 43450, 48950, 70310, 77341, 86900, 97900, 140620, 154682, 175775, 309364, 351550, 386705, 703100, 773410, 1546820, 1933525, 3867050, 7734100]

約数ペア:

[(1, 7734100), (2, 3867050), (4, 1933525), (5, 1546820), (10, 773410), (11, 703100), (20, 386705), (22, 351550), (25, 309364), (44, 175775), (50, 154682), (55, 140620), (79, 97900), (89, 86900), (100, 77341), (110, 70310), (158, 48950), (178, 43450), (220, 35155), (275, 28124), (316, 24475), (356, 21725), (395, 19580), (445, 17380), (550, 14062), (790, 9790), (869, 8900), (890, 8690), (979, 7900), (1100, 7031), (1580, 4895), (1738, 4450), (1780, 4345), (1958, 3950), (1975, 3916), (2225, 3476)]