68404400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 174040944

約数和(自身を除く): 105636544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 43, 50, 80, 82, 86, 97, 100, 164, 172, 194, 200, 205, 215, 328, 344, 388, 400, 410, 430, 485, 656, 688, 776, 820, 860, 970, 1025, 1075, 1552, 1640, 1720, 1763, 1940, 2050, 2150, 2425, 3280, 3440, 3526, 3880, 3977, 4100, 4171, 4300, 4850, 7052, 7760, 7954, 8200, 8342, 8600, 8815, 9700, 14104, 15908, 16400, 16684, 17200, 17630, 19400, 19885, 20855, 28208, 31816, 33368, 35260, 38800, 39770, 41710, 44075, 63632, 66736, 70520, 79540, 83420, 88150, 99425, 104275, 141040, 159080, 166840, 171011, 176300, 198850, 208550, 318160, 333680, 342022, 352600, 397700, 417100, 684044, 705200, 795400, 834200, 855055, 1368088, 1590800, 1668400, 1710110, 2736176, 3420220, 4275275, 6840440, 8550550, 13680880, 17101100, 34202200, 68404400]

約数ペア:

[(1, 68404400), (2, 34202200), (4, 17101100), (5, 13680880), (8, 8550550), (10, 6840440), (16, 4275275), (20, 3420220), (25, 2736176), (40, 1710110), (41, 1668400), (43, 1590800), (50, 1368088), (80, 855055), (82, 834200), (86, 795400), (97, 705200), (100, 684044), (164, 417100), (172, 397700), (194, 352600), (200, 342022), (205, 333680), (215, 318160), (328, 208550), (344, 198850), (388, 176300), (400, 171011), (410, 166840), (430, 159080), (485, 141040), (656, 104275), (688, 99425), (776, 88150), (820, 83420), (860, 79540), (970, 70520), (1025, 66736), (1075, 63632), (1552, 44075), (1640, 41710), (1720, 39770), (1763, 38800), (1940, 35260), (2050, 33368), (2150, 31816), (2425, 28208), (3280, 20855), (3440, 19885), (3526, 19400), (3880, 17630), (3977, 17200), (4100, 16684), (4171, 16400), (4300, 15908), (4850, 14104), (7052, 9700), (7760, 8815), (7954, 8600), (8200, 8342)]