211648040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 488540160

約数和(自身を除く): 276892120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 488, 508, 610, 635, 683, 1016, 1220, 1270, 1366, 2440, 2540, 2732, 3415, 5080, 5464, 6830, 7747, 13660, 15494, 27320, 30988, 38735, 41663, 61976, 77470, 83326, 86741, 154940, 166652, 173482, 208315, 309880, 333304, 346964, 416630, 433705, 693928, 833260, 867410, 1666520, 1734820, 3469640, 5291201, 10582402, 21164804, 26456005, 42329608, 52912010, 105824020, 211648040]

約数ペア:

[(1, 211648040), (2, 105824020), (4, 52912010), (5, 42329608), (8, 26456005), (10, 21164804), (20, 10582402), (40, 5291201), (61, 3469640), (122, 1734820), (127, 1666520), (244, 867410), (254, 833260), (305, 693928), (488, 433705), (508, 416630), (610, 346964), (635, 333304), (683, 309880), (1016, 208315), (1220, 173482), (1270, 166652), (1366, 154940), (2440, 86741), (2540, 83326), (2732, 77470), (3415, 61976), (5080, 41663), (5464, 38735), (6830, 30988), (7747, 27320), (13660, 15494)]