31942540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1511}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 77220864

約数和(自身を除く): 45278324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 1511, 2114, 3020, 3022, 4228, 5285, 6044, 7555, 10570, 10577, 15110, 21140, 21154, 30220, 42308, 52885, 105770, 211540, 228161, 456322, 912644, 1140805, 1597127, 2281610, 3194254, 4563220, 6388508, 7985635, 15971270, 31942540]

約数ペア:

[(1, 31942540), (2, 15971270), (4, 7985635), (5, 6388508), (7, 4563220), (10, 3194254), (14, 2281610), (20, 1597127), (28, 1140805), (35, 912644), (70, 456322), (140, 228161), (151, 211540), (302, 105770), (604, 52885), (755, 42308), (1057, 30220), (1510, 21154), (1511, 21140), (2114, 15110), (3020, 10577), (3022, 10570), (4228, 7555), (5285, 6044)]