87856340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 232424640

約数和(自身を除く): 144568300

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 139, 143, 169, 170, 187, 220, 221, 260, 278, 286, 338, 340, 374, 442, 556, 572, 676, 695, 715, 748, 845, 884, 935, 1105, 1390, 1430, 1529, 1690, 1807, 1859, 1870, 2210, 2363, 2431, 2780, 2860, 2873, 3058, 3380, 3614, 3718, 3740, 4420, 4726, 4862, 5746, 6116, 7228, 7436, 7645, 9035, 9295, 9452, 9724, 11492, 11815, 12155, 14365, 15290, 18070, 18590, 19877, 23491, 23630, 24310, 25993, 28730, 30580, 30719, 31603, 36140, 37180, 39754, 46982, 47260, 48620, 51986, 57460, 61438, 63206, 79508, 93964, 99385, 103972, 117455, 122876, 126412, 129965, 153595, 158015, 198770, 234910, 258401, 259930, 307190, 316030, 337909, 397540, 399347, 469820, 516802, 519860, 614380, 632060, 675818, 798694, 1033604, 1292005, 1351636, 1597388, 1689545, 1996735, 2584010, 3379090, 3993470, 4392817, 5168020, 6758180, 7986940, 8785634, 17571268, 21964085, 43928170, 87856340]

約数ペア:

[(1, 87856340), (2, 43928170), (4, 21964085), (5, 17571268), (10, 8785634), (11, 7986940), (13, 6758180), (17, 5168020), (20, 4392817), (22, 3993470), (26, 3379090), (34, 2584010), (44, 1996735), (52, 1689545), (55, 1597388), (65, 1351636), (68, 1292005), (85, 1033604), (110, 798694), (130, 675818), (139, 632060), (143, 614380), (169, 519860), (170, 516802), (187, 469820), (220, 399347), (221, 397540), (260, 337909), (278, 316030), (286, 307190), (338, 259930), (340, 258401), (374, 234910), (442, 198770), (556, 158015), (572, 153595), (676, 129965), (695, 126412), (715, 122876), (748, 117455), (845, 103972), (884, 99385), (935, 93964), (1105, 79508), (1390, 63206), (1430, 61438), (1529, 57460), (1690, 51986), (1807, 48620), (1859, 47260), (1870, 46982), (2210, 39754), (2363, 37180), (2431, 36140), (2780, 31603), (2860, 30719), (2873, 30580), (3058, 28730), (3380, 25993), (3614, 24310), (3718, 23630), (3740, 23491), (4420, 19877), (4726, 18590), (4862, 18070), (5746, 15290), (6116, 14365), (7228, 12155), (7436, 11815), (7645, 11492), (9035, 9724), (9295, 9452)]