25780492780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{307423}}^1$

素因数の和:308038

約数の個数: 48

約数和(自身を含む): 61976678400

約数和(自身を除く): 36196185620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 599, 1198, 2396, 2995, 4193, 5990, 8386, 11980, 16772, 20965, 41930, 83860, 307423, 614846, 1229692, 1537115, 2151961, 3074230, 4303922, 6148460, 8607844, 10759805, 21519610, 43039220, 184146377, 368292754, 736585508, 920731885, 1289024639, 1841463770, 2578049278, 3682927540, 5156098556, 6445123195, 12890246390, 25780492780]

約数ペア:

[(1, 25780492780), (2, 12890246390), (4, 6445123195), (5, 5156098556), (7, 3682927540), (10, 2578049278), (14, 1841463770), (20, 1289024639), (28, 920731885), (35, 736585508), (70, 368292754), (140, 184146377), (599, 43039220), (1198, 21519610), (2396, 10759805), (2995, 8607844), (4193, 6148460), (5990, 4303922), (8386, 3074230), (11980, 2151961), (16772, 1537115), (20965, 1229692), (41930, 614846), (83860, 307423)]