7848260

素因数分解:

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

素因数の和:996

約数の個数: 48

約数和(自身を含む): 19165440

約数和(自身を除く): 11317180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 919, 1220, 1708, 1838, 2135, 3676, 4270, 4595, 6433, 8540, 9190, 12866, 18380, 25732, 32165, 56059, 64330, 112118, 128660, 224236, 280295, 392413, 560590, 784826, 1121180, 1569652, 1962065, 3924130, 7848260]

約数ペア:

[(1, 7848260), (2, 3924130), (4, 1962065), (5, 1569652), (7, 1121180), (10, 784826), (14, 560590), (20, 392413), (28, 280295), (35, 224236), (61, 128660), (70, 112118), (122, 64330), (140, 56059), (244, 32165), (305, 25732), (427, 18380), (610, 12866), (854, 9190), (919, 8540), (1220, 6433), (1708, 4595), (1838, 4270), (2135, 3676)]