171490520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 398412000

約数和(自身を除く): 226921480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 1049, 1220, 1340, 2098, 2440, 2680, 4087, 4196, 5245, 8174, 8392, 10490, 16348, 20435, 20980, 32696, 40870, 41960, 63989, 70283, 81740, 127978, 140566, 163480, 255956, 281132, 319945, 351415, 511912, 562264, 639890, 702830, 1279780, 1405660, 2559560, 2811320, 4287263, 8574526, 17149052, 21436315, 34298104, 42872630, 85745260, 171490520]

約数ペア:

[(1, 171490520), (2, 85745260), (4, 42872630), (5, 34298104), (8, 21436315), (10, 17149052), (20, 8574526), (40, 4287263), (61, 2811320), (67, 2559560), (122, 1405660), (134, 1279780), (244, 702830), (268, 639890), (305, 562264), (335, 511912), (488, 351415), (536, 319945), (610, 281132), (670, 255956), (1049, 163480), (1220, 140566), (1340, 127978), (2098, 81740), (2440, 70283), (2680, 63989), (4087, 41960), (4196, 40870), (5245, 32696), (8174, 20980), (8392, 20435), (10490, 16348)]