90338255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 141419520

約数和(自身を除く): 51081265

約数列:

[1, 5, 7, 17, 19, 35, 61, 85, 95, 119, 131, 133, 305, 323, 427, 595, 655, 665, 917, 1037, 1159, 1615, 2135, 2227, 2261, 2489, 4585, 5185, 5795, 7259, 7991, 8113, 11135, 11305, 12445, 15589, 17423, 19703, 36295, 39955, 40565, 42313, 55937, 77945, 87115, 98515, 135847, 137921, 151829, 211565, 279685, 296191, 679235, 689605, 759145, 950929, 1062803, 1480955, 2581093, 4754645, 5314015, 12905465, 18067651, 90338255]

約数ペア:

[(1, 90338255), (5, 18067651), (7, 12905465), (17, 5314015), (19, 4754645), (35, 2581093), (61, 1480955), (85, 1062803), (95, 950929), (119, 759145), (131, 689605), (133, 679235), (305, 296191), (323, 279685), (427, 211565), (595, 151829), (655, 137921), (665, 135847), (917, 98515), (1037, 87115), (1159, 77945), (1615, 55937), (2135, 42313), (2227, 40565), (2261, 39955), (2489, 36295), (4585, 19703), (5185, 17423), (5795, 15589), (7259, 12445), (7991, 11305), (8113, 11135)]