207902540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 445886112

約数和(自身を除く): 237983572

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 157, 292, 314, 365, 628, 730, 785, 907, 1460, 1570, 1814, 3140, 3628, 4535, 9070, 11461, 18140, 22922, 45844, 57305, 66211, 114610, 132422, 142399, 229220, 264844, 284798, 331055, 569596, 662110, 711995, 1324220, 1423990, 2847980, 10395127, 20790254, 41580508, 51975635, 103951270, 207902540]

約数ペア:

[(1, 207902540), (2, 103951270), (4, 51975635), (5, 41580508), (10, 20790254), (20, 10395127), (73, 2847980), (146, 1423990), (157, 1324220), (292, 711995), (314, 662110), (365, 569596), (628, 331055), (730, 284798), (785, 264844), (907, 229220), (1460, 142399), (1570, 132422), (1814, 114610), (3140, 66211), (3628, 57305), (4535, 45844), (9070, 22922), (11461, 18140)]