72454000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 80

約数和(自身を含む): 185586336

約数和(自身を除く): 113132336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 680, 850, 1000, 1360, 1700, 2000, 2125, 2131, 3400, 4250, 4262, 6800, 8500, 8524, 10655, 17000, 17048, 21310, 34000, 34096, 36227, 42620, 53275, 72454, 85240, 106550, 144908, 170480, 181135, 213100, 266375, 289816, 362270, 426200, 532750, 579632, 724540, 852400, 905675, 1065500, 1449080, 1811350, 2131000, 2898160, 3622700, 4262000, 4528375, 7245400, 9056750, 14490800, 18113500, 36227000, 72454000]

約数ペア:

[(1, 72454000), (2, 36227000), (4, 18113500), (5, 14490800), (8, 9056750), (10, 7245400), (16, 4528375), (17, 4262000), (20, 3622700), (25, 2898160), (34, 2131000), (40, 1811350), (50, 1449080), (68, 1065500), (80, 905675), (85, 852400), (100, 724540), (125, 579632), (136, 532750), (170, 426200), (200, 362270), (250, 289816), (272, 266375), (340, 213100), (400, 181135), (425, 170480), (500, 144908), (680, 106550), (850, 85240), (1000, 72454), (1360, 53275), (1700, 42620), (2000, 36227), (2125, 34096), (2131, 34000), (3400, 21310), (4250, 17048), (4262, 17000), (6800, 10655), (8500, 8524)]