205588240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17971}}^1$

素因数の和:18008

約数の個数: 80

約数和(自身を含む): 561589056

約数和(自身を除く): 356000816

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 17971, 35942, 71884, 89855, 143768, 179710, 197681, 233623, 287536, 359420, 395362, 467246, 718840, 790724, 934492, 988405, 1168115, 1437680, 1581448, 1868984, 1976810, 2336230, 2569853, 3162896, 3737968, 3953620, 4672460, 5139706, 7907240, 9344920, 10279412, 12849265, 15814480, 18689840, 20558824, 25698530, 41117648, 51397060, 102794120, 205588240]

約数ペア:

[(1, 205588240), (2, 102794120), (4, 51397060), (5, 41117648), (8, 25698530), (10, 20558824), (11, 18689840), (13, 15814480), (16, 12849265), (20, 10279412), (22, 9344920), (26, 7907240), (40, 5139706), (44, 4672460), (52, 3953620), (55, 3737968), (65, 3162896), (80, 2569853), (88, 2336230), (104, 1976810), (110, 1868984), (130, 1581448), (143, 1437680), (176, 1168115), (208, 988405), (220, 934492), (260, 790724), (286, 718840), (440, 467246), (520, 395362), (572, 359420), (715, 287536), (880, 233623), (1040, 197681), (1144, 179710), (1430, 143768), (2288, 89855), (2860, 71884), (5720, 35942), (11440, 17971)]