2090790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1813

約数の個数: 48

約数和(自身を含む): 5857488

約数和(自身を除く): 3766698

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1787, 3574, 5361, 8935, 10722, 16083, 17870, 23231, 26805, 32166, 46462, 53610, 69693, 80415, 116155, 139386, 160830, 209079, 232310, 348465, 418158, 696930, 1045395, 2090790]

約数ペア:

[(1, 2090790), (2, 1045395), (3, 696930), (5, 418158), (6, 348465), (9, 232310), (10, 209079), (13, 160830), (15, 139386), (18, 116155), (26, 80415), (30, 69693), (39, 53610), (45, 46462), (65, 32166), (78, 26805), (90, 23231), (117, 17870), (130, 16083), (195, 10722), (234, 8935), (390, 5361), (585, 3574), (1170, 1787)]