940321880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 2293764480

約数和(自身を除く): 1353442600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 97, 115, 164, 184, 194, 205, 230, 257, 328, 388, 410, 460, 485, 514, 776, 820, 920, 943, 970, 1028, 1285, 1640, 1886, 1940, 2056, 2231, 2570, 3772, 3880, 3977, 4462, 4715, 5140, 5911, 7544, 7954, 8924, 9430, 10280, 10537, 11155, 11822, 15908, 17848, 18860, 19885, 21074, 22310, 23644, 24929, 29555, 31816, 37720, 39770, 42148, 44620, 47288, 49858, 52685, 59110, 79540, 84296, 89240, 91471, 99716, 105370, 118220, 124645, 159080, 182942, 199432, 210740, 236440, 242351, 249290, 365884, 421480, 457355, 484702, 498580, 573367, 731768, 914710, 969404, 997160, 1022089, 1146734, 1211755, 1829420, 1938808, 2044178, 2293468, 2423510, 2866835, 3658840, 4088356, 4586936, 4847020, 5110445, 5733670, 8176712, 9694040, 10220890, 11467340, 20441780, 22934680, 23508047, 40883560, 47016094, 94032188, 117540235, 188064376, 235080470, 470160940, 940321880]

約数ペア:

[(1, 940321880), (2, 470160940), (4, 235080470), (5, 188064376), (8, 117540235), (10, 94032188), (20, 47016094), (23, 40883560), (40, 23508047), (41, 22934680), (46, 20441780), (82, 11467340), (92, 10220890), (97, 9694040), (115, 8176712), (164, 5733670), (184, 5110445), (194, 4847020), (205, 4586936), (230, 4088356), (257, 3658840), (328, 2866835), (388, 2423510), (410, 2293468), (460, 2044178), (485, 1938808), (514, 1829420), (776, 1211755), (820, 1146734), (920, 1022089), (943, 997160), (970, 969404), (1028, 914710), (1285, 731768), (1640, 573367), (1886, 498580), (1940, 484702), (2056, 457355), (2231, 421480), (2570, 365884), (3772, 249290), (3880, 242351), (3977, 236440), (4462, 210740), (4715, 199432), (5140, 182942), (5911, 159080), (7544, 124645), (7954, 118220), (8924, 105370), (9430, 99716), (10280, 91471), (10537, 89240), (11155, 84296), (11822, 79540), (15908, 59110), (17848, 52685), (18860, 49858), (19885, 47288), (21074, 44620), (22310, 42148), (23644, 39770), (24929, 37720), (29555, 31816)]