89903140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{941}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 200826864

約数和(自身を除く): 110923724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 941, 1124, 1405, 1882, 2810, 3764, 4705, 4777, 5620, 9410, 9554, 15997, 18820, 19108, 23885, 31994, 47770, 63988, 79985, 95540, 159970, 264421, 319940, 528842, 1057684, 1322105, 2644210, 4495157, 5288420, 8990314, 17980628, 22475785, 44951570, 89903140]

約数ペア:

[(1, 89903140), (2, 44951570), (4, 22475785), (5, 17980628), (10, 8990314), (17, 5288420), (20, 4495157), (34, 2644210), (68, 1322105), (85, 1057684), (170, 528842), (281, 319940), (340, 264421), (562, 159970), (941, 95540), (1124, 79985), (1405, 63988), (1882, 47770), (2810, 31994), (3764, 23885), (4705, 19108), (4777, 18820), (5620, 15997), (9410, 9554)]