31789450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 77137920

約数和(自身を除く): 45348470

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 50, 55, 70, 77, 110, 115, 154, 161, 175, 230, 253, 275, 322, 350, 359, 385, 506, 550, 575, 718, 770, 805, 1150, 1265, 1610, 1771, 1795, 1925, 2513, 2530, 3542, 3590, 3850, 3949, 4025, 5026, 6325, 7898, 8050, 8257, 8855, 8975, 12565, 12650, 16514, 17710, 17950, 19745, 25130, 27643, 39490, 41285, 44275, 55286, 57799, 62825, 82570, 88550, 90827, 98725, 115598, 125650, 138215, 181654, 197450, 206425, 276430, 288995, 412850, 454135, 577990, 635789, 691075, 908270, 1271578, 1382150, 1444975, 2270675, 2889950, 3178945, 4541350, 6357890, 15894725, 31789450]

約数ペア:

[(1, 31789450), (2, 15894725), (5, 6357890), (7, 4541350), (10, 3178945), (11, 2889950), (14, 2270675), (22, 1444975), (23, 1382150), (25, 1271578), (35, 908270), (46, 691075), (50, 635789), (55, 577990), (70, 454135), (77, 412850), (110, 288995), (115, 276430), (154, 206425), (161, 197450), (175, 181654), (230, 138215), (253, 125650), (275, 115598), (322, 98725), (350, 90827), (359, 88550), (385, 82570), (506, 62825), (550, 57799), (575, 55286), (718, 44275), (770, 41285), (805, 39490), (1150, 27643), (1265, 25130), (1610, 19745), (1771, 17950), (1795, 17710), (1925, 16514), (2513, 12650), (2530, 12565), (3542, 8975), (3590, 8855), (3850, 8257), (3949, 8050), (4025, 7898), (5026, 6325)]