1780973375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 2462503680

約数和(自身を除く): 681530305

約数列:

[1, 5, 23, 25, 29, 41, 115, 125, 145, 205, 521, 575, 667, 725, 943, 1025, 1189, 2605, 2875, 3335, 3625, 4715, 5125, 5945, 11983, 13025, 15109, 16675, 21361, 23575, 27347, 29725, 59915, 65125, 75545, 83375, 106805, 117875, 136735, 148625, 299575, 347507, 377725, 491303, 534025, 619469, 683675, 1497875, 1737535, 1888625, 2456515, 2670125, 3097345, 3418375, 8687675, 12282575, 14247787, 15486725, 43438375, 61412875, 71238935, 77433625, 356194675, 1780973375]

約数ペア:

[(1, 1780973375), (5, 356194675), (23, 77433625), (25, 71238935), (29, 61412875), (41, 43438375), (115, 15486725), (125, 14247787), (145, 12282575), (205, 8687675), (521, 3418375), (575, 3097345), (667, 2670125), (725, 2456515), (943, 1888625), (1025, 1737535), (1189, 1497875), (2605, 683675), (2875, 619469), (3335, 534025), (3625, 491303), (4715, 377725), (5125, 347507), (5945, 299575), (11983, 148625), (13025, 136735), (15109, 117875), (16675, 106805), (21361, 83375), (23575, 75545), (27347, 65125), (29725, 59915)]