320697352

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 656640000

約数和(自身を除く): 335942648

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 127, 148, 152, 254, 296, 449, 508, 703, 898, 1016, 1406, 1796, 2413, 2812, 3592, 4699, 4826, 5624, 8531, 9398, 9652, 16613, 17062, 18796, 19304, 33226, 34124, 37592, 57023, 66452, 68248, 89281, 114046, 132904, 178562, 228092, 315647, 357124, 456184, 631294, 714248, 1083437, 1262588, 2109851, 2166874, 2525176, 4219702, 4333748, 8439404, 8667496, 16878808, 40087169, 80174338, 160348676, 320697352]

約数ペア:

[(1, 320697352), (2, 160348676), (4, 80174338), (8, 40087169), (19, 16878808), (37, 8667496), (38, 8439404), (74, 4333748), (76, 4219702), (127, 2525176), (148, 2166874), (152, 2109851), (254, 1262588), (296, 1083437), (449, 714248), (508, 631294), (703, 456184), (898, 357124), (1016, 315647), (1406, 228092), (1796, 178562), (2413, 132904), (2812, 114046), (3592, 89281), (4699, 68248), (4826, 66452), (5624, 57023), (8531, 37592), (9398, 34124), (9652, 33226), (16613, 19304), (17062, 18796)]