2776280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 7106400

約数和(自身を除く): 4330120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 281, 380, 494, 520, 562, 760, 988, 1124, 1235, 1405, 1976, 2248, 2470, 2810, 3653, 4940, 5339, 5620, 7306, 9880, 10678, 11240, 14612, 18265, 21356, 26695, 29224, 36530, 42712, 53390, 69407, 73060, 106780, 138814, 146120, 213560, 277628, 347035, 555256, 694070, 1388140, 2776280]

約数ペア:

[(1, 2776280), (2, 1388140), (4, 694070), (5, 555256), (8, 347035), (10, 277628), (13, 213560), (19, 146120), (20, 138814), (26, 106780), (38, 73060), (40, 69407), (52, 53390), (65, 42712), (76, 36530), (95, 29224), (104, 26695), (130, 21356), (152, 18265), (190, 14612), (247, 11240), (260, 10678), (281, 9880), (380, 7306), (494, 5620), (520, 5339), (562, 4940), (760, 3653), (988, 2810), (1124, 2470), (1235, 2248), (1405, 1976)]