78222830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15739}}^1$

素因数の和:15824

約数の個数: 32

約数和(自身を含む): 163192320

約数和(自身を除く): 84969490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 15739, 31478, 78695, 110173, 157390, 220346, 550865, 1101730, 1117469, 2234938, 5587345, 7822283, 11174690, 15644566, 39111415, 78222830]

約数ペア:

[(1, 78222830), (2, 39111415), (5, 15644566), (7, 11174690), (10, 7822283), (14, 5587345), (35, 2234938), (70, 1117469), (71, 1101730), (142, 550865), (355, 220346), (497, 157390), (710, 110173), (994, 78695), (2485, 31478), (4970, 15739)]