157260890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15901}}^1$

素因数の和:15974

約数の個数: 32

約数和(自身を含む): 302265216

約数和(自身を除く): 145004326

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 15901, 31802, 79505, 159010, 365723, 683743, 731446, 1367486, 1828615, 3418715, 3657230, 6837430, 15726089, 31452178, 78630445, 157260890]

約数ペア:

[(1, 157260890), (2, 78630445), (5, 31452178), (10, 15726089), (23, 6837430), (43, 3657230), (46, 3418715), (86, 1828615), (115, 1367486), (215, 731446), (230, 683743), (430, 365723), (989, 159010), (1978, 79505), (4945, 31802), (9890, 15901)]