2823940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 7080192

約数和(自身を除く): 4256252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 877, 1610, 1754, 3220, 3508, 4385, 6139, 8770, 12278, 17540, 20171, 24556, 30695, 40342, 61390, 80684, 100855, 122780, 141197, 201710, 282394, 403420, 564788, 705985, 1411970, 2823940]

約数ペア:

[(1, 2823940), (2, 1411970), (4, 705985), (5, 564788), (7, 403420), (10, 282394), (14, 201710), (20, 141197), (23, 122780), (28, 100855), (35, 80684), (46, 61390), (70, 40342), (92, 30695), (115, 24556), (140, 20171), (161, 17540), (230, 12278), (322, 8770), (460, 6139), (644, 4385), (805, 3508), (877, 3220), (1610, 1754)]