389633480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 893395440

約数和(自身を除く): 503761960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 194, 274, 388, 485, 548, 685, 733, 776, 970, 1096, 1370, 1466, 1940, 2740, 2932, 3665, 3880, 5480, 5864, 7330, 13289, 14660, 26578, 29320, 53156, 66445, 71101, 100421, 106312, 132890, 142202, 200842, 265780, 284404, 355505, 401684, 502105, 531560, 568808, 711010, 803368, 1004210, 1422020, 2008420, 2844040, 4016840, 9740837, 19481674, 38963348, 48704185, 77926696, 97408370, 194816740, 389633480]

約数ペア:

[(1, 389633480), (2, 194816740), (4, 97408370), (5, 77926696), (8, 48704185), (10, 38963348), (20, 19481674), (40, 9740837), (97, 4016840), (137, 2844040), (194, 2008420), (274, 1422020), (388, 1004210), (485, 803368), (548, 711010), (685, 568808), (733, 531560), (776, 502105), (970, 401684), (1096, 355505), (1370, 284404), (1466, 265780), (1940, 200842), (2740, 142202), (2932, 132890), (3665, 106312), (3880, 100421), (5480, 71101), (5864, 66445), (7330, 53156), (13289, 29320), (14660, 26578)]