19194900500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{629341}}^1$

素因数の和:629421

約数の個数: 48

約数和(自身を含む): 42608970768

約数和(自身を除く): 23414070268

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 3050, 6100, 7625, 15250, 30500, 629341, 1258682, 2517364, 3146705, 6293410, 12586820, 15733525, 31467050, 38389801, 62934100, 76779602, 78667625, 153559204, 157335250, 191949005, 314670500, 383898010, 767796020, 959745025, 1919490050, 3838980100, 4798725125, 9597450250, 19194900500]

約数ペア:

[(1, 19194900500), (2, 9597450250), (4, 4798725125), (5, 3838980100), (10, 1919490050), (20, 959745025), (25, 767796020), (50, 383898010), (61, 314670500), (100, 191949005), (122, 157335250), (125, 153559204), (244, 78667625), (250, 76779602), (305, 62934100), (500, 38389801), (610, 31467050), (1220, 15733525), (1525, 12586820), (3050, 6293410), (6100, 3146705), (7625, 2517364), (15250, 1258682), (30500, 629341)]