1780930180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{3847}}^1$

素因数の和:4228

約数の個数: 48

約数和(自身を含む): 3801208320

約数和(自身を除く): 2020278140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 293, 316, 395, 586, 790, 1172, 1465, 1580, 2930, 3847, 5860, 7694, 15388, 19235, 23147, 38470, 46294, 76940, 92588, 115735, 231470, 303913, 462940, 607826, 1127171, 1215652, 1519565, 2254342, 3039130, 4508684, 5635855, 6078260, 11271710, 22543420, 89046509, 178093018, 356186036, 445232545, 890465090, 1780930180]

約数ペア:

[(1, 1780930180), (2, 890465090), (4, 445232545), (5, 356186036), (10, 178093018), (20, 89046509), (79, 22543420), (158, 11271710), (293, 6078260), (316, 5635855), (395, 4508684), (586, 3039130), (790, 2254342), (1172, 1519565), (1465, 1215652), (1580, 1127171), (2930, 607826), (3847, 462940), (5860, 303913), (7694, 231470), (15388, 115735), (19235, 92588), (23147, 76940), (38470, 46294)]