83959540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12239}}^1$

素因数の和:12269

約数の個数: 48

約数和(自身を含む): 205632000

約数和(自身を除く): 121672460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12239, 24478, 48956, 61195, 85673, 122390, 171346, 244780, 342692, 428365, 599711, 856730, 1199422, 1713460, 2398844, 2998555, 4197977, 5997110, 8395954, 11994220, 16791908, 20989885, 41979770, 83959540]

約数ペア:

[(1, 83959540), (2, 41979770), (4, 20989885), (5, 16791908), (7, 11994220), (10, 8395954), (14, 5997110), (20, 4197977), (28, 2998555), (35, 2398844), (49, 1713460), (70, 1199422), (98, 856730), (140, 599711), (196, 428365), (245, 342692), (343, 244780), (490, 171346), (686, 122390), (980, 85673), (1372, 61195), (1715, 48956), (3430, 24478), (6860, 12239)]