128687510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1913}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 273686688

約数和(自身を除く): 144999178

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 961, 1085, 1913, 1922, 2170, 3826, 4805, 6727, 9565, 9610, 13391, 13454, 19130, 26782, 33635, 59303, 66955, 67270, 118606, 133910, 296515, 415121, 593030, 830242, 1838393, 2075605, 3676786, 4151210, 9191965, 12868751, 18383930, 25737502, 64343755, 128687510]

約数ペア:

[(1, 128687510), (2, 64343755), (5, 25737502), (7, 18383930), (10, 12868751), (14, 9191965), (31, 4151210), (35, 3676786), (62, 2075605), (70, 1838393), (155, 830242), (217, 593030), (310, 415121), (434, 296515), (961, 133910), (1085, 118606), (1913, 67270), (1922, 66955), (2170, 59303), (3826, 33635), (4805, 26782), (6727, 19130), (9565, 13454), (9610, 13391)]