389647620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4931}}^1$

素因数の和:5385

約数の個数: 72

約数和(自身を含む): 1184863680

約数和(自身を除く): 795216060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2634, 3951, 4390, 4931, 5268, 6585, 7902, 8780, 9862, 13170, 14793, 15804, 19724, 19755, 24655, 26340, 29586, 39510, 44379, 49310, 59172, 73965, 79020, 88758, 98620, 147930, 177516, 221895, 295860, 443790, 887580, 2164709, 4329418, 6494127, 8658836, 10823545, 12988254, 19482381, 21647090, 25976508, 32470635, 38964762, 43294180, 64941270, 77929524, 97411905, 129882540, 194823810, 389647620]

約数ペア:

[(1, 389647620), (2, 194823810), (3, 129882540), (4, 97411905), (5, 77929524), (6, 64941270), (9, 43294180), (10, 38964762), (12, 32470635), (15, 25976508), (18, 21647090), (20, 19482381), (30, 12988254), (36, 10823545), (45, 8658836), (60, 6494127), (90, 4329418), (180, 2164709), (439, 887580), (878, 443790), (1317, 295860), (1756, 221895), (2195, 177516), (2634, 147930), (3951, 98620), (4390, 88758), (4931, 79020), (5268, 73965), (6585, 59172), (7902, 49310), (8780, 44379), (9862, 39510), (13170, 29586), (14793, 26340), (15804, 24655), (19724, 19755)]