2188420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 5221440

約数和(自身を除く): 3033020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 443, 494, 886, 988, 1235, 1772, 2215, 2470, 4430, 4940, 5759, 8417, 8860, 11518, 16834, 23036, 28795, 33668, 42085, 57590, 84170, 109421, 115180, 168340, 218842, 437684, 547105, 1094210, 2188420]

約数ペア:

[(1, 2188420), (2, 1094210), (4, 547105), (5, 437684), (10, 218842), (13, 168340), (19, 115180), (20, 109421), (26, 84170), (38, 57590), (52, 42085), (65, 33668), (76, 28795), (95, 23036), (130, 16834), (190, 11518), (247, 8860), (260, 8417), (380, 5759), (443, 4940), (494, 4430), (886, 2470), (988, 2215), (1235, 1772)]