8445800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 21645750

約数和(自身を除く): 13199950

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 349, 440, 484, 550, 605, 698, 968, 1100, 1210, 1396, 1745, 2200, 2420, 2792, 3025, 3490, 3839, 4840, 6050, 6980, 7678, 8725, 12100, 13960, 15356, 17450, 19195, 24200, 30712, 34900, 38390, 42229, 69800, 76780, 84458, 95975, 153560, 168916, 191950, 211145, 337832, 383900, 422290, 767800, 844580, 1055725, 1689160, 2111450, 4222900, 8445800]

約数ペア:

[(1, 8445800), (2, 4222900), (4, 2111450), (5, 1689160), (8, 1055725), (10, 844580), (11, 767800), (20, 422290), (22, 383900), (25, 337832), (40, 211145), (44, 191950), (50, 168916), (55, 153560), (88, 95975), (100, 84458), (110, 76780), (121, 69800), (200, 42229), (220, 38390), (242, 34900), (275, 30712), (349, 24200), (440, 19195), (484, 17450), (550, 15356), (605, 13960), (698, 12100), (968, 8725), (1100, 7678), (1210, 6980), (1396, 6050), (1745, 4840), (2200, 3839), (2420, 3490), (2792, 3025)]