127998820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2017}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 284780160

約数和(自身を除く): 156781340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 2017, 3173, 3340, 4034, 6346, 8068, 10085, 12692, 15865, 20170, 31730, 38323, 40340, 63460, 76646, 153292, 191615, 336839, 383230, 673678, 766460, 1347356, 1684195, 3368390, 6399941, 6736780, 12799882, 25599764, 31999705, 63999410, 127998820]

約数ペア:

[(1, 127998820), (2, 63999410), (4, 31999705), (5, 25599764), (10, 12799882), (19, 6736780), (20, 6399941), (38, 3368390), (76, 1684195), (95, 1347356), (167, 766460), (190, 673678), (334, 383230), (380, 336839), (668, 191615), (835, 153292), (1670, 76646), (2017, 63460), (3173, 40340), (3340, 38323), (4034, 31730), (6346, 20170), (8068, 15865), (10085, 12692)]