228757040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 551214720

約数和(自身を除く): 322457680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 328, 388, 410, 485, 656, 719, 776, 820, 970, 1438, 1552, 1640, 1940, 2876, 3280, 3595, 3880, 3977, 5752, 7190, 7760, 7954, 11504, 14380, 15908, 19885, 28760, 29479, 31816, 39770, 57520, 58958, 63632, 69743, 79540, 117916, 139486, 147395, 159080, 235832, 278972, 294790, 318160, 348715, 471664, 557944, 589580, 697430, 1115888, 1179160, 1394860, 2358320, 2789720, 2859463, 5579440, 5718926, 11437852, 14297315, 22875704, 28594630, 45751408, 57189260, 114378520, 228757040]

約数ペア:

[(1, 228757040), (2, 114378520), (4, 57189260), (5, 45751408), (8, 28594630), (10, 22875704), (16, 14297315), (20, 11437852), (40, 5718926), (41, 5579440), (80, 2859463), (82, 2789720), (97, 2358320), (164, 1394860), (194, 1179160), (205, 1115888), (328, 697430), (388, 589580), (410, 557944), (485, 471664), (656, 348715), (719, 318160), (776, 294790), (820, 278972), (970, 235832), (1438, 159080), (1552, 147395), (1640, 139486), (1940, 117916), (2876, 79540), (3280, 69743), (3595, 63632), (3880, 58958), (3977, 57520), (5752, 39770), (7190, 31816), (7760, 29479), (7954, 28760), (11504, 19885), (14380, 15908)]