1490852780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1\times {\mathrm{613}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 3154388160

約数和(自身を除く): 1663535380

約数列:

[1, 2, 4, 5, 10, 20, 277, 439, 554, 613, 878, 1108, 1226, 1385, 1756, 2195, 2452, 2770, 3065, 4390, 5540, 6130, 8780, 12260, 121603, 169801, 243206, 269107, 339602, 486412, 538214, 608015, 679204, 849005, 1076428, 1216030, 1345535, 1698010, 2432060, 2691070, 3396020, 5382140, 74542639, 149085278, 298170556, 372713195, 745426390, 1490852780]

約数ペア:

[(1, 1490852780), (2, 745426390), (4, 372713195), (5, 298170556), (10, 149085278), (20, 74542639), (277, 5382140), (439, 3396020), (554, 2691070), (613, 2432060), (878, 1698010), (1108, 1345535), (1226, 1216030), (1385, 1076428), (1756, 849005), (2195, 679204), (2452, 608015), (2770, 538214), (3065, 486412), (4390, 339602), (5540, 269107), (6130, 243206), (8780, 169801), (12260, 121603)]