211693720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{108007}}^1$

素因数の和:108032

約数の個数: 48

約数和(自身を含む): 554081040

約数和(自身を除く): 342387320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 108007, 216014, 432028, 540035, 756049, 864056, 1080070, 1512098, 2160140, 3024196, 3780245, 4320280, 5292343, 6048392, 7560490, 10584686, 15120980, 21169372, 26461715, 30241960, 42338744, 52923430, 105846860, 211693720]

約数ペア:

[(1, 211693720), (2, 105846860), (4, 52923430), (5, 42338744), (7, 30241960), (8, 26461715), (10, 21169372), (14, 15120980), (20, 10584686), (28, 7560490), (35, 6048392), (40, 5292343), (49, 4320280), (56, 3780245), (70, 3024196), (98, 2160140), (140, 1512098), (196, 1080070), (245, 864056), (280, 756049), (392, 540035), (490, 432028), (980, 216014), (1960, 108007)]