202919905

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 273702780

約数和(自身を除く): 70782875

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 361, 389, 1445, 1615, 1805, 1945, 5491, 6137, 6613, 7391, 27455, 30685, 33065, 36955, 104329, 112421, 125647, 140429, 521645, 562105, 628235, 702145, 2135999, 2387293, 10679995, 11936465, 40583981, 202919905]

約数ペア:

[(1, 202919905), (5, 40583981), (17, 11936465), (19, 10679995), (85, 2387293), (95, 2135999), (289, 702145), (323, 628235), (361, 562105), (389, 521645), (1445, 140429), (1615, 125647), (1805, 112421), (1945, 104329), (5491, 36955), (6137, 33065), (6613, 30685), (7391, 27455)]