254410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 524160

約数和(自身を除く): 269750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 103, 130, 190, 206, 247, 494, 515, 1030, 1235, 1339, 1957, 2470, 2678, 3914, 6695, 9785, 13390, 19570, 25441, 50882, 127205, 254410]

約数ペア:

[(1, 254410), (2, 127205), (5, 50882), (10, 25441), (13, 19570), (19, 13390), (26, 9785), (38, 6695), (65, 3914), (95, 2678), (103, 2470), (130, 1957), (190, 1339), (206, 1235), (247, 1030), (494, 515)]