89935780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 131058140

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 139, 170, 173, 187, 220, 278, 340, 346, 374, 556, 692, 695, 748, 865, 935, 1390, 1529, 1730, 1870, 1903, 2363, 2780, 2941, 3058, 3460, 3740, 3806, 4726, 5882, 6116, 7612, 7645, 9452, 9515, 11764, 11815, 14705, 15290, 19030, 23630, 24047, 25993, 29410, 30580, 32351, 38060, 47260, 48094, 51986, 58820, 64702, 96188, 103972, 120235, 129404, 129965, 161755, 240470, 259930, 264517, 323510, 408799, 480940, 519860, 529034, 647020, 817598, 1058068, 1322585, 1635196, 2043995, 2645170, 4087990, 4496789, 5290340, 8175980, 8993578, 17987156, 22483945, 44967890, 89935780]

約数ペア:

[(1, 89935780), (2, 44967890), (4, 22483945), (5, 17987156), (10, 8993578), (11, 8175980), (17, 5290340), (20, 4496789), (22, 4087990), (34, 2645170), (44, 2043995), (55, 1635196), (68, 1322585), (85, 1058068), (110, 817598), (139, 647020), (170, 529034), (173, 519860), (187, 480940), (220, 408799), (278, 323510), (340, 264517), (346, 259930), (374, 240470), (556, 161755), (692, 129965), (695, 129404), (748, 120235), (865, 103972), (935, 96188), (1390, 64702), (1529, 58820), (1730, 51986), (1870, 48094), (1903, 47260), (2363, 38060), (2780, 32351), (2941, 30580), (3058, 29410), (3460, 25993), (3740, 24047), (3806, 23630), (4726, 19030), (5882, 15290), (6116, 14705), (7612, 11815), (7645, 11764), (9452, 9515)]