997150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 2417256

約数和(自身を除く): 1420106

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 37, 49, 50, 55, 70, 74, 77, 98, 110, 154, 175, 185, 245, 259, 275, 350, 370, 385, 407, 490, 518, 539, 550, 770, 814, 925, 1078, 1225, 1295, 1813, 1850, 1925, 2035, 2450, 2590, 2695, 2849, 3626, 3850, 4070, 5390, 5698, 6475, 9065, 10175, 12950, 13475, 14245, 18130, 19943, 20350, 26950, 28490, 39886, 45325, 71225, 90650, 99715, 142450, 199430, 498575, 997150]

約数ペア:

[(1, 997150), (2, 498575), (5, 199430), (7, 142450), (10, 99715), (11, 90650), (14, 71225), (22, 45325), (25, 39886), (35, 28490), (37, 26950), (49, 20350), (50, 19943), (55, 18130), (70, 14245), (74, 13475), (77, 12950), (98, 10175), (110, 9065), (154, 6475), (175, 5698), (185, 5390), (245, 4070), (259, 3850), (275, 3626), (350, 2849), (370, 2695), (385, 2590), (407, 2450), (490, 2035), (518, 1925), (539, 1850), (550, 1813), (770, 1295), (814, 1225), (925, 1078)]