268335860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{54319}}^1$

素因数の和:54360

約数の個数: 48

約数和(自身を含む): 638803200

約数和(自身を除く): 370467340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 54319, 108638, 217276, 271595, 543190, 706147, 1032061, 1086380, 1412294, 2064122, 2824588, 3530735, 4128244, 5160305, 7061470, 10320610, 13416793, 14122940, 20641220, 26833586, 53667172, 67083965, 134167930, 268335860]

約数ペア:

[(1, 268335860), (2, 134167930), (4, 67083965), (5, 53667172), (10, 26833586), (13, 20641220), (19, 14122940), (20, 13416793), (26, 10320610), (38, 7061470), (52, 5160305), (65, 4128244), (76, 3530735), (95, 2824588), (130, 2064122), (190, 1412294), (247, 1086380), (260, 1032061), (380, 706147), (494, 543190), (988, 271595), (1235, 217276), (2470, 108638), (4940, 54319)]