4020380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 10616928

約数和(自身を除く): 6596548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 235, 260, 329, 364, 455, 470, 611, 658, 910, 940, 1222, 1316, 1645, 1820, 2209, 2444, 3055, 3290, 4277, 4418, 6110, 6580, 8554, 8836, 11045, 12220, 15463, 17108, 21385, 22090, 28717, 30926, 42770, 44180, 57434, 61852, 77315, 85540, 114868, 143585, 154630, 201019, 287170, 309260, 402038, 574340, 804076, 1005095, 2010190, 4020380]

約数ペア:

[(1, 4020380), (2, 2010190), (4, 1005095), (5, 804076), (7, 574340), (10, 402038), (13, 309260), (14, 287170), (20, 201019), (26, 154630), (28, 143585), (35, 114868), (47, 85540), (52, 77315), (65, 61852), (70, 57434), (91, 44180), (94, 42770), (130, 30926), (140, 28717), (182, 22090), (188, 21385), (235, 17108), (260, 15463), (329, 12220), (364, 11045), (455, 8836), (470, 8554), (611, 6580), (658, 6110), (910, 4418), (940, 4277), (1222, 3290), (1316, 3055), (1645, 2444), (1820, 2209)]