30558220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19843}}^1$

素因数の和:19870

約数の個数: 48

約数和(自身を含む): 80011008

約数和(自身を除く): 49452788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19843, 39686, 79372, 99215, 138901, 198430, 218273, 277802, 396860, 436546, 555604, 694505, 873092, 1091365, 1389010, 1527911, 2182730, 2778020, 3055822, 4365460, 6111644, 7639555, 15279110, 30558220]

約数ペア:

[(1, 30558220), (2, 15279110), (4, 7639555), (5, 6111644), (7, 4365460), (10, 3055822), (11, 2778020), (14, 2182730), (20, 1527911), (22, 1389010), (28, 1091365), (35, 873092), (44, 694505), (55, 555604), (70, 436546), (77, 396860), (110, 277802), (140, 218273), (154, 198430), (220, 138901), (308, 99215), (385, 79372), (770, 39686), (1540, 19843)]