4223180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 9831360

約数和(自身を除く): 5608180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 439, 481, 740, 878, 962, 1756, 1924, 2195, 2405, 4390, 4810, 5707, 8780, 9620, 11414, 16243, 22828, 28535, 32486, 57070, 64972, 81215, 114140, 162430, 211159, 324860, 422318, 844636, 1055795, 2111590, 4223180]

約数ペア:

[(1, 4223180), (2, 2111590), (4, 1055795), (5, 844636), (10, 422318), (13, 324860), (20, 211159), (26, 162430), (37, 114140), (52, 81215), (65, 64972), (74, 57070), (130, 32486), (148, 28535), (185, 22828), (260, 16243), (370, 11414), (439, 9620), (481, 8780), (740, 5707), (878, 4810), (962, 4390), (1756, 2405), (1924, 2195)]