177795220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 381104640

約数和(自身を除く): 203309420

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 277, 335, 479, 554, 670, 958, 1108, 1340, 1385, 1916, 2395, 2770, 4790, 5540, 9580, 18559, 32093, 37118, 64186, 74236, 92795, 128372, 132683, 160465, 185590, 265366, 320930, 371180, 530732, 641860, 663415, 1326830, 2653660, 8889761, 17779522, 35559044, 44448805, 88897610, 177795220]

約数ペア:

[(1, 177795220), (2, 88897610), (4, 44448805), (5, 35559044), (10, 17779522), (20, 8889761), (67, 2653660), (134, 1326830), (268, 663415), (277, 641860), (335, 530732), (479, 371180), (554, 320930), (670, 265366), (958, 185590), (1108, 160465), (1340, 132683), (1385, 128372), (1916, 92795), (2395, 74236), (2770, 64186), (4790, 37118), (5540, 32093), (9580, 18559)]