720245450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{8419}}^1$

素因数の和:8519

約数の個数: 48

約数和(自身を含む): 1409508000

約数和(自身を除く): 689262550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 59, 118, 145, 290, 295, 590, 725, 1450, 1475, 1711, 2950, 3422, 8419, 8555, 16838, 17110, 42095, 42775, 84190, 85550, 210475, 244151, 420950, 488302, 496721, 993442, 1220755, 2441510, 2483605, 4967210, 6103775, 12207550, 12418025, 14404909, 24836050, 28809818, 72024545, 144049090, 360122725, 720245450]

約数ペア:

[(1, 720245450), (2, 360122725), (5, 144049090), (10, 72024545), (25, 28809818), (29, 24836050), (50, 14404909), (58, 12418025), (59, 12207550), (118, 6103775), (145, 4967210), (290, 2483605), (295, 2441510), (590, 1220755), (725, 993442), (1450, 496721), (1475, 488302), (1711, 420950), (2950, 244151), (3422, 210475), (8419, 85550), (8555, 84190), (16838, 42775), (17110, 42095)]