1772605880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{7013}}^1$

素因数の和:7184

約数の個数: 64

約数和(自身を含む): 4090564800

約数和(自身を除く): 2317958920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 178, 284, 355, 356, 445, 568, 710, 712, 890, 1420, 1780, 2840, 3560, 6319, 7013, 12638, 14026, 25276, 28052, 31595, 35065, 50552, 56104, 63190, 70130, 126380, 140260, 252760, 280520, 497923, 624157, 995846, 1248314, 1991692, 2489615, 2496628, 3120785, 3983384, 4979230, 4993256, 6241570, 9958460, 12483140, 19916920, 24966280, 44315147, 88630294, 177260588, 221575735, 354521176, 443151470, 886302940, 1772605880]

約数ペア:

[(1, 1772605880), (2, 886302940), (4, 443151470), (5, 354521176), (8, 221575735), (10, 177260588), (20, 88630294), (40, 44315147), (71, 24966280), (89, 19916920), (142, 12483140), (178, 9958460), (284, 6241570), (355, 4993256), (356, 4979230), (445, 3983384), (568, 3120785), (710, 2496628), (712, 2489615), (890, 1991692), (1420, 1248314), (1780, 995846), (2840, 624157), (3560, 497923), (6319, 280520), (7013, 252760), (12638, 140260), (14026, 126380), (25276, 70130), (28052, 63190), (31595, 56104), (35065, 50552)]