221323780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8693}}^1$

素因数の和:8788

約数の個数: 48

約数和(自身を含む): 496601280

約数和(自身を除く): 275277500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 8693, 12730, 17386, 25460, 34772, 43465, 86930, 165167, 173860, 330334, 582431, 660668, 825835, 1164862, 1651670, 2329724, 2912155, 3303340, 5824310, 11066189, 11648620, 22132378, 44264756, 55330945, 110661890, 221323780]

約数ペア:

[(1, 221323780), (2, 110661890), (4, 55330945), (5, 44264756), (10, 22132378), (19, 11648620), (20, 11066189), (38, 5824310), (67, 3303340), (76, 2912155), (95, 2329724), (134, 1651670), (190, 1164862), (268, 825835), (335, 660668), (380, 582431), (670, 330334), (1273, 173860), (1340, 165167), (2546, 86930), (5092, 43465), (6365, 34772), (8693, 25460), (12730, 17386)]