2187220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 5564160

約数和(自身を除く): 3376940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 919, 1190, 1838, 2380, 3676, 4595, 6433, 9190, 12866, 15623, 18380, 25732, 31246, 32165, 62492, 64330, 78115, 109361, 128660, 156230, 218722, 312460, 437444, 546805, 1093610, 2187220]

約数ペア:

[(1, 2187220), (2, 1093610), (4, 546805), (5, 437444), (7, 312460), (10, 218722), (14, 156230), (17, 128660), (20, 109361), (28, 78115), (34, 64330), (35, 62492), (68, 32165), (70, 31246), (85, 25732), (119, 18380), (140, 15623), (170, 12866), (238, 9190), (340, 6433), (476, 4595), (595, 3676), (919, 2380), (1190, 1838)]