4020750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{1787}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 10878192

約数和(自身を除く): 6857442

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 1787, 2250, 3574, 5361, 8935, 10722, 16083, 17870, 26805, 32166, 44675, 53610, 80415, 89350, 134025, 160830, 223375, 268050, 402075, 446750, 670125, 804150, 1340250, 2010375, 4020750]

約数ペア:

[(1, 4020750), (2, 2010375), (3, 1340250), (5, 804150), (6, 670125), (9, 446750), (10, 402075), (15, 268050), (18, 223375), (25, 160830), (30, 134025), (45, 89350), (50, 80415), (75, 53610), (90, 44675), (125, 32166), (150, 26805), (225, 17870), (250, 16083), (375, 10722), (450, 8935), (750, 5361), (1125, 3574), (1787, 2250)]