289803220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{90001}}^1$

素因数の和:90040

約数の個数: 48

約数和(自身を含む): 725776128

約数和(自身を除く): 435972908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 90001, 180002, 360004, 450005, 630007, 900010, 1260014, 1800020, 2070023, 2520028, 3150035, 4140046, 6300070, 8280092, 10350115, 12600140, 14490161, 20700230, 28980322, 41400460, 57960644, 72450805, 144901610, 289803220]

約数ペア:

[(1, 289803220), (2, 144901610), (4, 72450805), (5, 57960644), (7, 41400460), (10, 28980322), (14, 20700230), (20, 14490161), (23, 12600140), (28, 10350115), (35, 8280092), (46, 6300070), (70, 4140046), (92, 3150035), (115, 2520028), (140, 2070023), (161, 1800020), (230, 1260014), (322, 900010), (460, 630007), (644, 450005), (805, 360004), (1610, 180002), (3220, 90001)]