74731405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 115706880

約数和(自身を除く): 40975475

約数列:

[1, 5, 7, 17, 29, 35, 61, 71, 85, 119, 145, 203, 305, 355, 427, 493, 497, 595, 1015, 1037, 1207, 1769, 2059, 2135, 2465, 2485, 3451, 4331, 5185, 6035, 7259, 8449, 8845, 10295, 12383, 14413, 17255, 21655, 30073, 30317, 35003, 36295, 42245, 61915, 72065, 73627, 125599, 150365, 151585, 175015, 210511, 245021, 368135, 515389, 627995, 879193, 1052555, 1225105, 2135183, 2576945, 4395965, 10675915, 14946281, 74731405]

約数ペア:

[(1, 74731405), (5, 14946281), (7, 10675915), (17, 4395965), (29, 2576945), (35, 2135183), (61, 1225105), (71, 1052555), (85, 879193), (119, 627995), (145, 515389), (203, 368135), (305, 245021), (355, 210511), (427, 175015), (493, 151585), (497, 150365), (595, 125599), (1015, 73627), (1037, 72065), (1207, 61915), (1769, 42245), (2059, 36295), (2135, 35003), (2465, 30317), (2485, 30073), (3451, 21655), (4331, 17255), (5185, 14413), (6035, 12383), (7259, 10295), (8449, 8845)]