1279231810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1877}}^1$

素因数の和:2131

約数の個数: 64

約数和(自身を含む): 2579921280

約数和(自身を除く): 1300689470

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 211, 323, 422, 646, 1055, 1615, 1877, 2110, 3230, 3587, 3754, 4009, 7174, 8018, 9385, 17935, 18770, 20045, 31909, 35663, 35870, 40090, 63818, 68153, 71326, 136306, 159545, 178315, 319090, 340765, 356630, 396047, 606271, 681530, 792094, 1212542, 1980235, 3031355, 3960470, 6062710, 6732799, 7524893, 13465598, 15049786, 33663995, 37624465, 67327990, 75248930, 127923181, 255846362, 639615905, 1279231810]

約数ペア:

[(1, 1279231810), (2, 639615905), (5, 255846362), (10, 127923181), (17, 75248930), (19, 67327990), (34, 37624465), (38, 33663995), (85, 15049786), (95, 13465598), (170, 7524893), (190, 6732799), (211, 6062710), (323, 3960470), (422, 3031355), (646, 1980235), (1055, 1212542), (1615, 792094), (1877, 681530), (2110, 606271), (3230, 396047), (3587, 356630), (3754, 340765), (4009, 319090), (7174, 178315), (8018, 159545), (9385, 136306), (17935, 71326), (18770, 68153), (20045, 63818), (31909, 40090), (35663, 35870)]