4392220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 10664640

約数和(自身を除く): 6272420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 229, 274, 458, 548, 685, 916, 959, 1145, 1370, 1603, 1918, 2290, 2740, 3206, 3836, 4580, 4795, 6412, 8015, 9590, 16030, 19180, 31373, 32060, 62746, 125492, 156865, 219611, 313730, 439222, 627460, 878444, 1098055, 2196110, 4392220]

約数ペア:

[(1, 4392220), (2, 2196110), (4, 1098055), (5, 878444), (7, 627460), (10, 439222), (14, 313730), (20, 219611), (28, 156865), (35, 125492), (70, 62746), (137, 32060), (140, 31373), (229, 19180), (274, 16030), (458, 9590), (548, 8015), (685, 6412), (916, 4795), (959, 4580), (1145, 3836), (1370, 3206), (1603, 2740), (1918, 2290)]