257890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 32

約数和(自身を含む): 517104

約数和(自身を除く): 259214

約数列:

[1, 2, 5, 10, 17, 34, 37, 41, 74, 82, 85, 170, 185, 205, 370, 410, 629, 697, 1258, 1394, 1517, 3034, 3145, 3485, 6290, 6970, 7585, 15170, 25789, 51578, 128945, 257890]

約数ペア:

[(1, 257890), (2, 128945), (5, 51578), (10, 25789), (17, 15170), (34, 7585), (37, 6970), (41, 6290), (74, 3485), (82, 3145), (85, 3034), (170, 1517), (185, 1394), (205, 1258), (370, 697), (410, 629)]