194781860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15289}}^1$

素因数の和:15325

約数の個数: 72

約数和(自身を含む): 512459640

約数和(自身を除く): 317677780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 15289, 30578, 61156, 76445, 107023, 152890, 198757, 214046, 305780, 397514, 428092, 535115, 749161, 795028, 993785, 1070230, 1391299, 1498322, 1987570, 2140460, 2782598, 2996644, 3745805, 3975140, 5565196, 6956495, 7491610, 9739093, 13912990, 14983220, 19478186, 27825980, 38956372, 48695465, 97390930, 194781860]

約数ペア:

[(1, 194781860), (2, 97390930), (4, 48695465), (5, 38956372), (7, 27825980), (10, 19478186), (13, 14983220), (14, 13912990), (20, 9739093), (26, 7491610), (28, 6956495), (35, 5565196), (49, 3975140), (52, 3745805), (65, 2996644), (70, 2782598), (91, 2140460), (98, 1987570), (130, 1498322), (140, 1391299), (182, 1070230), (196, 993785), (245, 795028), (260, 749161), (364, 535115), (455, 428092), (490, 397514), (637, 305780), (910, 214046), (980, 198757), (1274, 152890), (1820, 107023), (2548, 76445), (3185, 61156), (6370, 30578), (12740, 15289)]