128538530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 249333120

約数和(自身を除く): 120794590

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 289, 395, 563, 578, 790, 1126, 1343, 1445, 2686, 2815, 2890, 5630, 6715, 9571, 13430, 19142, 22831, 44477, 45662, 47855, 88954, 95710, 114155, 162707, 222385, 228310, 325414, 444770, 756109, 813535, 1512218, 1627070, 3780545, 7561090, 12853853, 25707706, 64269265, 128538530]

約数ペア:

[(1, 128538530), (2, 64269265), (5, 25707706), (10, 12853853), (17, 7561090), (34, 3780545), (79, 1627070), (85, 1512218), (158, 813535), (170, 756109), (289, 444770), (395, 325414), (563, 228310), (578, 222385), (790, 162707), (1126, 114155), (1343, 95710), (1445, 88954), (2686, 47855), (2815, 45662), (2890, 44477), (5630, 22831), (6715, 19142), (9571, 13430)]