201872740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 446041512

約数和(自身を除く): 244168772

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 101, 146, 148, 185, 202, 292, 365, 370, 404, 505, 730, 740, 1010, 1369, 1460, 2020, 2701, 2738, 3737, 5402, 5476, 6845, 7373, 7474, 10804, 13505, 13690, 14746, 14948, 18685, 27010, 27380, 29492, 36865, 37370, 54020, 73730, 74740, 99937, 138269, 147460, 199874, 272801, 276538, 399748, 499685, 545602, 553076, 691345, 999370, 1091204, 1364005, 1382690, 1998740, 2728010, 2765380, 5456020, 10093637, 20187274, 40374548, 50468185, 100936370, 201872740]

約数ペア:

[(1, 201872740), (2, 100936370), (4, 50468185), (5, 40374548), (10, 20187274), (20, 10093637), (37, 5456020), (73, 2765380), (74, 2728010), (101, 1998740), (146, 1382690), (148, 1364005), (185, 1091204), (202, 999370), (292, 691345), (365, 553076), (370, 545602), (404, 499685), (505, 399748), (730, 276538), (740, 272801), (1010, 199874), (1369, 147460), (1460, 138269), (2020, 99937), (2701, 74740), (2738, 73730), (3737, 54020), (5402, 37370), (5476, 36865), (6845, 29492), (7373, 27380), (7474, 27010), (10804, 18685), (13505, 14948), (13690, 14746)]