12597950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 25110000

約数和(自身を除く): 12512050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 149, 178, 190, 298, 445, 475, 745, 890, 950, 1490, 1691, 2225, 2831, 3382, 3725, 4450, 5662, 7450, 8455, 13261, 14155, 16910, 26522, 28310, 42275, 66305, 70775, 84550, 132610, 141550, 251959, 331525, 503918, 663050, 1259795, 2519590, 6298975, 12597950]

約数ペア:

[(1, 12597950), (2, 6298975), (5, 2519590), (10, 1259795), (19, 663050), (25, 503918), (38, 331525), (50, 251959), (89, 141550), (95, 132610), (149, 84550), (178, 70775), (190, 66305), (298, 42275), (445, 28310), (475, 26522), (745, 16910), (890, 14155), (950, 13261), (1490, 8455), (1691, 7450), (2225, 5662), (2831, 4450), (3382, 3725)]