2016451420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1\times {\mathrm{3539}}^1$

素因数の和:4498

約数の個数: 48

約数和(自身を含む): 4377139200

約数和(自身を除く): 2360687780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 919, 1838, 3539, 3676, 4595, 7078, 9190, 14156, 17695, 18380, 28489, 35390, 56978, 70780, 109709, 113956, 142445, 219418, 284890, 438836, 548545, 569780, 1097090, 2194180, 3252341, 6504682, 13009364, 16261705, 32523410, 65046820, 100822571, 201645142, 403290284, 504112855, 1008225710, 2016451420]

約数ペア:

[(1, 2016451420), (2, 1008225710), (4, 504112855), (5, 403290284), (10, 201645142), (20, 100822571), (31, 65046820), (62, 32523410), (124, 16261705), (155, 13009364), (310, 6504682), (620, 3252341), (919, 2194180), (1838, 1097090), (3539, 569780), (3676, 548545), (4595, 438836), (7078, 284890), (9190, 219418), (14156, 142445), (17695, 113956), (18380, 109709), (28489, 70780), (35390, 56978)]