9917950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 21605760

約数和(自身を除く): 11687810

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 70, 86, 175, 215, 301, 350, 430, 602, 659, 1075, 1318, 1505, 2150, 3010, 3295, 4613, 6590, 7525, 9226, 15050, 16475, 23065, 28337, 32950, 46130, 56674, 115325, 141685, 198359, 230650, 283370, 396718, 708425, 991795, 1416850, 1983590, 4958975, 9917950]

約数ペア:

[(1, 9917950), (2, 4958975), (5, 1983590), (7, 1416850), (10, 991795), (14, 708425), (25, 396718), (35, 283370), (43, 230650), (50, 198359), (70, 141685), (86, 115325), (175, 56674), (215, 46130), (301, 32950), (350, 28337), (430, 23065), (602, 16475), (659, 15050), (1075, 9226), (1318, 7525), (1505, 6590), (2150, 4613), (3010, 3295)]