520220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:102

約数の個数: 36

約数和(自身を含む): 1181880

約数和(自身を除く): 661660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1369, 1406, 2738, 2812, 3515, 5476, 6845, 7030, 13690, 14060, 26011, 27380, 52022, 104044, 130055, 260110, 520220]

約数ペア:

[(1, 520220), (2, 260110), (4, 130055), (5, 104044), (10, 52022), (19, 27380), (20, 26011), (37, 14060), (38, 13690), (74, 7030), (76, 6845), (95, 5476), (148, 3515), (185, 2812), (190, 2738), (370, 1406), (380, 1369), (703, 740)]