87959060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8849}}^1$

素因数の和:8936

約数の個数: 48

約数和(自身を含む): 214099200

約数和(自身を除く): 126140140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8849, 9940, 17698, 35396, 44245, 61943, 88490, 123886, 176980, 247772, 309715, 619430, 628279, 1238860, 1256558, 2513116, 3141395, 4397953, 6282790, 8795906, 12565580, 17591812, 21989765, 43979530, 87959060]

約数ペア:

[(1, 87959060), (2, 43979530), (4, 21989765), (5, 17591812), (7, 12565580), (10, 8795906), (14, 6282790), (20, 4397953), (28, 3141395), (35, 2513116), (70, 1256558), (71, 1238860), (140, 628279), (142, 619430), (284, 309715), (355, 247772), (497, 176980), (710, 123886), (994, 88490), (1420, 61943), (1988, 44245), (2485, 35396), (4970, 17698), (8849, 9940)]