139531420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 343242144

約数和(自身を除く): 203710724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 490, 692, 823, 865, 980, 1211, 1646, 1730, 2422, 3292, 3460, 4115, 4844, 5761, 6055, 8230, 8477, 11522, 12110, 16460, 16954, 23044, 24220, 28805, 33908, 40327, 42385, 57610, 80654, 84770, 115220, 142379, 161308, 169540, 201635, 284758, 403270, 569516, 711895, 806540, 996653, 1423790, 1993306, 2847580, 3986612, 4983265, 6976571, 9966530, 13953142, 19933060, 27906284, 34882855, 69765710, 139531420]

約数ペア:

[(1, 139531420), (2, 69765710), (4, 34882855), (5, 27906284), (7, 19933060), (10, 13953142), (14, 9966530), (20, 6976571), (28, 4983265), (35, 3986612), (49, 2847580), (70, 1993306), (98, 1423790), (140, 996653), (173, 806540), (196, 711895), (245, 569516), (346, 403270), (490, 284758), (692, 201635), (823, 169540), (865, 161308), (980, 142379), (1211, 115220), (1646, 84770), (1730, 80654), (2422, 57610), (3292, 42385), (3460, 40327), (4115, 33908), (4844, 28805), (5761, 24220), (6055, 23044), (8230, 16954), (8477, 16460), (11522, 12110)]