62743220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 134946000

約数和(自身を除く): 72202780

約数列:

[1, 2, 4, 5, 10, 20, 89, 101, 178, 202, 349, 356, 404, 445, 505, 698, 890, 1010, 1396, 1745, 1780, 2020, 3490, 6980, 8989, 17978, 31061, 35249, 35956, 44945, 62122, 70498, 89890, 124244, 140996, 155305, 176245, 179780, 310610, 352490, 621220, 704980, 3137161, 6274322, 12548644, 15685805, 31371610, 62743220]

約数ペア:

[(1, 62743220), (2, 31371610), (4, 15685805), (5, 12548644), (10, 6274322), (20, 3137161), (89, 704980), (101, 621220), (178, 352490), (202, 310610), (349, 179780), (356, 176245), (404, 155305), (445, 140996), (505, 124244), (698, 89890), (890, 70498), (1010, 62122), (1396, 44945), (1745, 35956), (1780, 35249), (2020, 31061), (3490, 17978), (6980, 8989)]