141781250

素因数分解:

$2^1\times 5^6\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 56

約数和(自身を含む): 287105700

約数和(自身を除く): 145324450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 349, 625, 650, 698, 1250, 1625, 1745, 3125, 3250, 3490, 4537, 6250, 8125, 8725, 9074, 15625, 16250, 17450, 22685, 31250, 40625, 43625, 45370, 81250, 87250, 113425, 203125, 218125, 226850, 406250, 436250, 567125, 1090625, 1134250, 2181250, 2835625, 5453125, 5671250, 10906250, 14178125, 28356250, 70890625, 141781250]

約数ペア:

[(1, 141781250), (2, 70890625), (5, 28356250), (10, 14178125), (13, 10906250), (25, 5671250), (26, 5453125), (50, 2835625), (65, 2181250), (125, 1134250), (130, 1090625), (250, 567125), (325, 436250), (349, 406250), (625, 226850), (650, 218125), (698, 203125), (1250, 113425), (1625, 87250), (1745, 81250), (3125, 45370), (3250, 43625), (3490, 40625), (4537, 31250), (6250, 22685), (8125, 17450), (8725, 16250), (9074, 15625)]