1889758010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{54319}}^1$

素因数の和:54411

約数の個数: 48

約数和(自身を含む): 4012727040

約数和(自身を除く): 2122969030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2485, 3479, 4970, 6958, 17395, 34790, 54319, 108638, 271595, 380233, 543190, 760466, 1901165, 2661631, 3802330, 3856649, 5323262, 7713298, 13308155, 19283245, 26616310, 26996543, 38566490, 53993086, 134982715, 188975801, 269965430, 377951602, 944879005, 1889758010]

約数ペア:

[(1, 1889758010), (2, 944879005), (5, 377951602), (7, 269965430), (10, 188975801), (14, 134982715), (35, 53993086), (49, 38566490), (70, 26996543), (71, 26616310), (98, 19283245), (142, 13308155), (245, 7713298), (355, 5323262), (490, 3856649), (497, 3802330), (710, 2661631), (994, 1901165), (2485, 760466), (3479, 543190), (4970, 380233), (6958, 271595), (17395, 108638), (34790, 54319)]