1388336810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{9689}}^1$

素因数の和:9815

約数の個数: 64

約数和(自身を含む): 3013977600

約数和(自身を除く): 1625640790

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 89, 115, 161, 178, 230, 322, 445, 623, 805, 890, 1246, 1610, 2047, 3115, 4094, 6230, 9689, 10235, 14329, 19378, 20470, 28658, 48445, 67823, 71645, 96890, 135646, 143290, 222847, 339115, 445694, 678230, 862321, 1114235, 1559929, 1724642, 2228470, 3119858, 4311605, 6036247, 7799645, 8623210, 12072494, 15599290, 19833383, 30181235, 39666766, 60362470, 99166915, 138833681, 198333830, 277667362, 694168405, 1388336810]

約数ペア:

[(1, 1388336810), (2, 694168405), (5, 277667362), (7, 198333830), (10, 138833681), (14, 99166915), (23, 60362470), (35, 39666766), (46, 30181235), (70, 19833383), (89, 15599290), (115, 12072494), (161, 8623210), (178, 7799645), (230, 6036247), (322, 4311605), (445, 3119858), (623, 2228470), (805, 1724642), (890, 1559929), (1246, 1114235), (1610, 862321), (2047, 678230), (3115, 445694), (4094, 339115), (6230, 222847), (9689, 143290), (10235, 135646), (14329, 96890), (19378, 71645), (20470, 67823), (28658, 48445)]