98714140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9931}}^1$

素因数の和:10018

約数の個数: 48

約数和(自身を含む): 240274944

約数和(自身を除く): 141560804

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, 9931, 9940, 19862, 39724, 49655, 69517, 99310, 139034, 198620, 278068, 347585, 695170, 705101, 1390340, 1410202, 2820404, 3525505, 4935707, 7051010, 9871414, 14102020, 19742828, 24678535, 49357070, 98714140]

約数ペア:

[(1, 98714140), (2, 49357070), (4, 24678535), (5, 19742828), (7, 14102020), (10, 9871414), (14, 7051010), (20, 4935707), (28, 3525505), (35, 2820404), (70, 1410202), (71, 1390340), (140, 705101), (142, 695170), (284, 347585), (355, 278068), (497, 198620), (710, 139034), (994, 99310), (1420, 69517), (1988, 49655), (2485, 39724), (4970, 19862), (9931, 9940)]