289446250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 587568168

約数和(自身を除く): 298121918

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 125, 170, 250, 257, 265, 425, 514, 530, 625, 850, 901, 1250, 1285, 1325, 1802, 2125, 2570, 2650, 4250, 4369, 4505, 6425, 6625, 8738, 9010, 10625, 12850, 13250, 13621, 21250, 21845, 22525, 27242, 32125, 33125, 43690, 45050, 64250, 66250, 68105, 109225, 112625, 136210, 160625, 218450, 225250, 231557, 321250, 340525, 463114, 546125, 563125, 681050, 1092250, 1126250, 1157785, 1702625, 2315570, 2730625, 3405250, 5461250, 5788925, 8513125, 11577850, 17026250, 28944625, 57889250, 144723125, 289446250]

約数ペア:

[(1, 289446250), (2, 144723125), (5, 57889250), (10, 28944625), (17, 17026250), (25, 11577850), (34, 8513125), (50, 5788925), (53, 5461250), (85, 3405250), (106, 2730625), (125, 2315570), (170, 1702625), (250, 1157785), (257, 1126250), (265, 1092250), (425, 681050), (514, 563125), (530, 546125), (625, 463114), (850, 340525), (901, 321250), (1250, 231557), (1285, 225250), (1325, 218450), (1802, 160625), (2125, 136210), (2570, 112625), (2650, 109225), (4250, 68105), (4369, 66250), (4505, 64250), (6425, 45050), (6625, 43690), (8738, 33125), (9010, 32125), (10625, 27242), (12850, 22525), (13250, 21845), (13621, 21250)]