128571004900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2749}}^1\times {\mathrm{35977}}^1$

素因数の和:38753

約数の個数: 72

約数和(自身を含む): 300578201000

約数和(自身を除く): 172007196100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2749, 5498, 10996, 13745, 27490, 35737, 35977, 54980, 68725, 71474, 71954, 137450, 142948, 143908, 178685, 179885, 274900, 357370, 359770, 467701, 714740, 719540, 893425, 899425, 935402, 1786850, 1798850, 1870804, 2338505, 3573700, 3597700, 4677010, 9354020, 11692525, 23385050, 46770100, 98900773, 197801546, 395603092, 494503865, 989007730, 1285710049, 1978015460, 2472519325, 2571420098, 4945038650, 5142840196, 6428550245, 9890077300, 12857100490, 25714200980, 32142751225, 64285502450, 128571004900]

約数ペア:

[(1, 128571004900), (2, 64285502450), (4, 32142751225), (5, 25714200980), (10, 12857100490), (13, 9890077300), (20, 6428550245), (25, 5142840196), (26, 4945038650), (50, 2571420098), (52, 2472519325), (65, 1978015460), (100, 1285710049), (130, 989007730), (260, 494503865), (325, 395603092), (650, 197801546), (1300, 98900773), (2749, 46770100), (5498, 23385050), (10996, 11692525), (13745, 9354020), (27490, 4677010), (35737, 3597700), (35977, 3573700), (54980, 2338505), (68725, 1870804), (71474, 1798850), (71954, 1786850), (137450, 935402), (142948, 899425), (143908, 893425), (178685, 719540), (179885, 714740), (274900, 467701), (357370, 359770)]