84642380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{69379}}^1$

素因数の和:69449

約数の個数: 24

約数和(自身を含む): 180665520

約数和(自身を除く): 96023140

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 69379, 138758, 277516, 346895, 693790, 1387580, 4232119, 8464238, 16928476, 21160595, 42321190, 84642380]

約数ペア:

[(1, 84642380), (2, 42321190), (4, 21160595), (5, 16928476), (10, 8464238), (20, 4232119), (61, 1387580), (122, 693790), (244, 346895), (305, 277516), (610, 138758), (1220, 69379)]