388670770

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1\times {\mathrm{881}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 707371056

約数和(自身を除く): 318700286

約数列:

[1, 2, 5, 10, 157, 281, 314, 562, 785, 881, 1405, 1570, 1762, 2810, 4405, 8810, 44117, 88234, 138317, 220585, 247561, 276634, 441170, 495122, 691585, 1237805, 1383170, 2475610, 38867077, 77734154, 194335385, 388670770]

約数ペア:

[(1, 388670770), (2, 194335385), (5, 77734154), (10, 38867077), (157, 2475610), (281, 1383170), (314, 1237805), (562, 691585), (785, 495122), (881, 441170), (1405, 276634), (1570, 247561), (1762, 220585), (2810, 138317), (4405, 88234), (8810, 44117)]