289346720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139109}}^1$

素因数の和:139137

約数の個数: 48

約数和(自身を含む): 736170120

約数和(自身を除く): 446823400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 139109, 278218, 556436, 695545, 1112872, 1391090, 1808417, 2225744, 2782180, 3616834, 4451488, 5564360, 7233668, 9042085, 11128720, 14467336, 18084170, 22257440, 28934672, 36168340, 57869344, 72336680, 144673360, 289346720]

約数ペア:

[(1, 289346720), (2, 144673360), (4, 72336680), (5, 57869344), (8, 36168340), (10, 28934672), (13, 22257440), (16, 18084170), (20, 14467336), (26, 11128720), (32, 9042085), (40, 7233668), (52, 5564360), (65, 4451488), (80, 3616834), (104, 2782180), (130, 2225744), (160, 1808417), (208, 1391090), (260, 1112872), (416, 695545), (520, 556436), (1040, 278218), (2080, 139109)]