211293640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 499478400

約数和(自身を除く): 288184760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 230, 326, 460, 652, 815, 920, 1304, 1409, 1630, 2818, 3260, 3749, 5636, 6520, 7045, 7498, 11272, 14090, 14996, 18745, 28180, 29992, 32407, 37490, 56360, 64814, 74980, 129628, 149960, 162035, 229667, 259256, 324070, 459334, 648140, 918668, 1148335, 1296280, 1837336, 2296670, 4593340, 5282341, 9186680, 10564682, 21129364, 26411705, 42258728, 52823410, 105646820, 211293640]

約数ペア:

[(1, 211293640), (2, 105646820), (4, 52823410), (5, 42258728), (8, 26411705), (10, 21129364), (20, 10564682), (23, 9186680), (40, 5282341), (46, 4593340), (92, 2296670), (115, 1837336), (163, 1296280), (184, 1148335), (230, 918668), (326, 648140), (460, 459334), (652, 324070), (815, 259256), (920, 229667), (1304, 162035), (1409, 149960), (1630, 129628), (2818, 74980), (3260, 64814), (3749, 56360), (5636, 37490), (6520, 32407), (7045, 29992), (7498, 28180), (11272, 18745), (14090, 14996)]