312888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{171917}}^1$

素因数の和:171946

約数の個数: 48

約数和(自身を含む): 808702272

約数和(自身を除く): 495813332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 171917, 343834, 687668, 859585, 1203419, 1719170, 2234921, 2406838, 3438340, 4469842, 4813676, 6017095, 8939684, 11174605, 12034190, 15644447, 22349210, 24068380, 31288894, 44698420, 62577788, 78222235, 156444470, 312888940]

約数ペア:

[(1, 312888940), (2, 156444470), (4, 78222235), (5, 62577788), (7, 44698420), (10, 31288894), (13, 24068380), (14, 22349210), (20, 15644447), (26, 12034190), (28, 11174605), (35, 8939684), (52, 6017095), (65, 4813676), (70, 4469842), (91, 3438340), (130, 2406838), (140, 2234921), (182, 1719170), (260, 1203419), (364, 859585), (455, 687668), (910, 343834), (1820, 171917)]