989870060

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{5639}}^1$

素因数の和:5846

約数の個数: 48

約数和(自身を含む): 2126234880

約数和(自身を除く): 1136364820

約数列:

[1, 2, 4, 5, 10, 20, 67, 131, 134, 262, 268, 335, 524, 655, 670, 1310, 1340, 2620, 5639, 8777, 11278, 17554, 22556, 28195, 35108, 43885, 56390, 87770, 112780, 175540, 377813, 738709, 755626, 1477418, 1511252, 1889065, 2954836, 3693545, 3778130, 7387090, 7556260, 14774180, 49493503, 98987006, 197974012, 247467515, 494935030, 989870060]

約数ペア:

[(1, 989870060), (2, 494935030), (4, 247467515), (5, 197974012), (10, 98987006), (20, 49493503), (67, 14774180), (131, 7556260), (134, 7387090), (262, 3778130), (268, 3693545), (335, 2954836), (524, 1889065), (655, 1511252), (670, 1477418), (1310, 755626), (1340, 738709), (2620, 377813), (5639, 175540), (8777, 112780), (11278, 87770), (17554, 56390), (22556, 43885), (28195, 35108)]