220880358

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{71761}}^1$

素因数の和:71794

約数の個数: 40

約数和(自身を含む): 520992120

約数和(自身を除く): 300111762

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 71761, 143522, 215283, 430566, 645849, 1291698, 1363459, 1937547, 2726918, 3875094, 4090377, 5812641, 8180754, 11625282, 12271131, 24542262, 36813393, 73626786, 110440179, 220880358]

約数ペア:

[(1, 220880358), (2, 110440179), (3, 73626786), (6, 36813393), (9, 24542262), (18, 12271131), (19, 11625282), (27, 8180754), (38, 5812641), (54, 4090377), (57, 3875094), (81, 2726918), (114, 1937547), (162, 1363459), (171, 1291698), (342, 645849), (513, 430566), (1026, 215283), (1539, 143522), (3078, 71761)]