217694540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67607}}^1$

素因数の和:67646

約数の個数: 48

約数和(自身を含む): 545190912

約数和(自身を除く): 327496372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 67607, 135214, 270428, 338035, 473249, 676070, 946498, 1352140, 1554961, 1892996, 2366245, 3109922, 4732490, 6219844, 7774805, 9464980, 10884727, 15549610, 21769454, 31099220, 43538908, 54423635, 108847270, 217694540]

約数ペア:

[(1, 217694540), (2, 108847270), (4, 54423635), (5, 43538908), (7, 31099220), (10, 21769454), (14, 15549610), (20, 10884727), (23, 9464980), (28, 7774805), (35, 6219844), (46, 4732490), (70, 3109922), (92, 2366245), (115, 1892996), (140, 1554961), (161, 1352140), (230, 946498), (322, 676070), (460, 473249), (644, 338035), (805, 270428), (1610, 135214), (3220, 67607)]