85500380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32143}}^1$

素因数の和:32178

約数の個数: 48

約数和(自身を含む): 216007680

約数和(自身を除く): 130507300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32143, 64286, 128572, 160715, 225001, 321430, 450002, 610717, 642860, 900004, 1125005, 1221434, 2250010, 2442868, 3053585, 4275019, 4500020, 6107170, 8550038, 12214340, 17100076, 21375095, 42750190, 85500380]

約数ペア:

[(1, 85500380), (2, 42750190), (4, 21375095), (5, 17100076), (7, 12214340), (10, 8550038), (14, 6107170), (19, 4500020), (20, 4275019), (28, 3053585), (35, 2442868), (38, 2250010), (70, 1221434), (76, 1125005), (95, 900004), (133, 642860), (140, 610717), (190, 450002), (266, 321430), (380, 225001), (532, 160715), (665, 128572), (1330, 64286), (2660, 32143)]