209291810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{659}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 465696000

約数和(自身を除く): 256404190

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 349, 455, 659, 698, 910, 1318, 1745, 2443, 3295, 3490, 4537, 4613, 4886, 6590, 8567, 9074, 9226, 12215, 17134, 22685, 23065, 24430, 31759, 42835, 45370, 46130, 59969, 63518, 85670, 119938, 158795, 229991, 299845, 317590, 459982, 599690, 1149955, 1609937, 2299910, 2989883, 3219874, 5979766, 8049685, 14949415, 16099370, 20929181, 29898830, 41858362, 104645905, 209291810]

約数ペア:

[(1, 209291810), (2, 104645905), (5, 41858362), (7, 29898830), (10, 20929181), (13, 16099370), (14, 14949415), (26, 8049685), (35, 5979766), (65, 3219874), (70, 2989883), (91, 2299910), (130, 1609937), (182, 1149955), (349, 599690), (455, 459982), (659, 317590), (698, 299845), (910, 229991), (1318, 158795), (1745, 119938), (2443, 85670), (3295, 63518), (3490, 59969), (4537, 46130), (4613, 45370), (4886, 42835), (6590, 31759), (8567, 24430), (9074, 23065), (9226, 22685), (12215, 17134)]