1820871808

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 4282629120

約数和(自身を除く): 2461757312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 167, 172, 224, 283, 301, 334, 344, 448, 566, 602, 668, 688, 896, 1132, 1169, 1204, 1336, 1376, 1981, 2264, 2338, 2408, 2672, 2752, 3962, 4528, 4676, 4816, 5344, 5504, 7181, 7924, 9056, 9352, 9632, 10688, 12169, 14362, 15848, 18112, 18704, 19264, 21376, 24338, 28724, 31696, 36224, 37408, 38528, 47261, 48676, 50267, 57448, 63392, 74816, 85183, 94522, 97352, 100534, 114896, 126784, 149632, 170366, 189044, 194704, 201068, 229792, 253568, 330827, 340732, 378088, 389408, 402136, 459584, 661654, 681464, 756176, 778816, 804272, 919168, 1323308, 1362928, 1512352, 1557632, 1608544, 2032223, 2646616, 2725856, 3024704, 3217088, 4064446, 5293232, 5451712, 6049408, 6434176, 8128892, 10586464, 10903424, 14225561, 16257784, 21172928, 28451122, 32515568, 42345856, 56902244, 65031136, 113804488, 130062272, 227608976, 260124544, 455217952, 910435904, 1820871808]

約数ペア:

[(1, 1820871808), (2, 910435904), (4, 455217952), (7, 260124544), (8, 227608976), (14, 130062272), (16, 113804488), (28, 65031136), (32, 56902244), (43, 42345856), (56, 32515568), (64, 28451122), (86, 21172928), (112, 16257784), (128, 14225561), (167, 10903424), (172, 10586464), (224, 8128892), (283, 6434176), (301, 6049408), (334, 5451712), (344, 5293232), (448, 4064446), (566, 3217088), (602, 3024704), (668, 2725856), (688, 2646616), (896, 2032223), (1132, 1608544), (1169, 1557632), (1204, 1512352), (1336, 1362928), (1376, 1323308), (1981, 919168), (2264, 804272), (2338, 778816), (2408, 756176), (2672, 681464), (2752, 661654), (3962, 459584), (4528, 402136), (4676, 389408), (4816, 378088), (5344, 340732), (5504, 330827), (7181, 253568), (7924, 229792), (9056, 201068), (9352, 194704), (9632, 189044), (10688, 170366), (12169, 149632), (14362, 126784), (15848, 114896), (18112, 100534), (18704, 97352), (19264, 94522), (21376, 85183), (24338, 74816), (28724, 63392), (31696, 57448), (36224, 50267), (37408, 48676), (38528, 47261)]