19620650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 42437760

約数和(自身を除く): 22817110

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 919, 1525, 1838, 2135, 3050, 4270, 4595, 6433, 9190, 10675, 12866, 21350, 22975, 32165, 45950, 56059, 64330, 112118, 160825, 280295, 321650, 392413, 560590, 784826, 1401475, 1962065, 2802950, 3924130, 9810325, 19620650]

約数ペア:

[(1, 19620650), (2, 9810325), (5, 3924130), (7, 2802950), (10, 1962065), (14, 1401475), (25, 784826), (35, 560590), (50, 392413), (61, 321650), (70, 280295), (122, 160825), (175, 112118), (305, 64330), (350, 56059), (427, 45950), (610, 32165), (854, 22975), (919, 21350), (1525, 12866), (1838, 10675), (2135, 9190), (3050, 6433), (4270, 4595)]