256354130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{3517}}^1$

素因数の和:3758

約数の個数: 32

約数和(自身を含む): 476449776

約数和(自身を除く): 220095646

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 1970, 3517, 7034, 7289, 14578, 17585, 35170, 36445, 72890, 130129, 260258, 650645, 692849, 1301290, 1385698, 3464245, 6928490, 25635413, 51270826, 128177065, 256354130]

約数ペア:

[(1, 256354130), (2, 128177065), (5, 51270826), (10, 25635413), (37, 6928490), (74, 3464245), (185, 1385698), (197, 1301290), (370, 692849), (394, 650645), (985, 260258), (1970, 130129), (3517, 72890), (7034, 36445), (7289, 35170), (14578, 17585)]