170785420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2617}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 387924768

約数和(自身を除く): 217139348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 1004, 1255, 2510, 2617, 3263, 5020, 5234, 6526, 10468, 13052, 13085, 16315, 26170, 32630, 34021, 52340, 65260, 68042, 136084, 170105, 340210, 656867, 680420, 1313734, 2627468, 3284335, 6568670, 8539271, 13137340, 17078542, 34157084, 42696355, 85392710, 170785420]

約数ペア:

[(1, 170785420), (2, 85392710), (4, 42696355), (5, 34157084), (10, 17078542), (13, 13137340), (20, 8539271), (26, 6568670), (52, 3284335), (65, 2627468), (130, 1313734), (251, 680420), (260, 656867), (502, 340210), (1004, 170105), (1255, 136084), (2510, 68042), (2617, 65260), (3263, 52340), (5020, 34021), (5234, 32630), (6526, 26170), (10468, 16315), (13052, 13085)]