219121910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 461745792

約数和(自身を除く): 242623882

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 137, 146, 274, 313, 365, 511, 626, 685, 730, 959, 1022, 1370, 1565, 1918, 2191, 2555, 3130, 4382, 4795, 5110, 9590, 10001, 10955, 20002, 21910, 22849, 42881, 45698, 50005, 70007, 85762, 100010, 114245, 140014, 159943, 214405, 228490, 300167, 319886, 350035, 428810, 600334, 700070, 799715, 1500835, 1599430, 3001670, 3130313, 6260626, 15651565, 21912191, 31303130, 43824382, 109560955, 219121910]

約数ペア:

[(1, 219121910), (2, 109560955), (5, 43824382), (7, 31303130), (10, 21912191), (14, 15651565), (35, 6260626), (70, 3130313), (73, 3001670), (137, 1599430), (146, 1500835), (274, 799715), (313, 700070), (365, 600334), (511, 428810), (626, 350035), (685, 319886), (730, 300167), (959, 228490), (1022, 214405), (1370, 159943), (1565, 140014), (1918, 114245), (2191, 100010), (2555, 85762), (3130, 70007), (4382, 50005), (4795, 45698), (5110, 42881), (9590, 22849), (10001, 21910), (10955, 20002)]