180036820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 390394368

約数和(自身を除く): 210357548

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 223, 370, 446, 740, 892, 1091, 1115, 2182, 2230, 4364, 4460, 5455, 8251, 10910, 16502, 21820, 33004, 40367, 41255, 80734, 82510, 161468, 165020, 201835, 243293, 403670, 486586, 807340, 973172, 1216465, 2432930, 4865860, 9001841, 18003682, 36007364, 45009205, 90018410, 180036820]

約数ペア:

[(1, 180036820), (2, 90018410), (4, 45009205), (5, 36007364), (10, 18003682), (20, 9001841), (37, 4865860), (74, 2432930), (148, 1216465), (185, 973172), (223, 807340), (370, 486586), (446, 403670), (740, 243293), (892, 201835), (1091, 165020), (1115, 161468), (2182, 82510), (2230, 80734), (4364, 41255), (4460, 40367), (5455, 33004), (8251, 21820), (10910, 16502)]