247630890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2003}}^1$

素因数の和:2343

約数の個数: 64

約数和(自身を含む): 642370176

約数和(自身を除く): 394739286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 317, 390, 634, 951, 1585, 1902, 2003, 3170, 4006, 4121, 4755, 6009, 8242, 9510, 10015, 12018, 12363, 20030, 20605, 24726, 26039, 30045, 41210, 52078, 60090, 61815, 78117, 123630, 130195, 156234, 260390, 390585, 634951, 781170, 1269902, 1904853, 3174755, 3809706, 6349510, 8254363, 9524265, 16508726, 19048530, 24763089, 41271815, 49526178, 82543630, 123815445, 247630890]

約数ペア:

[(1, 247630890), (2, 123815445), (3, 82543630), (5, 49526178), (6, 41271815), (10, 24763089), (13, 19048530), (15, 16508726), (26, 9524265), (30, 8254363), (39, 6349510), (65, 3809706), (78, 3174755), (130, 1904853), (195, 1269902), (317, 781170), (390, 634951), (634, 390585), (951, 260390), (1585, 156234), (1902, 130195), (2003, 123630), (3170, 78117), (4006, 61815), (4121, 60090), (4755, 52078), (6009, 41210), (8242, 30045), (9510, 26039), (10015, 24726), (12018, 20605), (12363, 20030)]