72940000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{521}}^1$

素因数の和:558

約数の個数: 120

約数和(自身を含む): 205471728

約数和(自身を除く): 132531728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 521, 560, 625, 700, 800, 875, 1000, 1042, 1120, 1250, 1400, 1750, 2000, 2084, 2500, 2605, 2800, 3500, 3647, 4000, 4168, 4375, 5000, 5210, 5600, 7000, 7294, 8336, 8750, 10000, 10420, 13025, 14000, 14588, 16672, 17500, 18235, 20000, 20840, 26050, 28000, 29176, 35000, 36470, 41680, 52100, 58352, 65125, 70000, 72940, 83360, 91175, 104200, 116704, 130250, 140000, 145880, 182350, 208400, 260500, 291760, 325625, 364700, 416800, 455875, 521000, 583520, 651250, 729400, 911750, 1042000, 1302500, 1458800, 1823500, 2084000, 2279375, 2605000, 2917600, 3647000, 4558750, 5210000, 7294000, 9117500, 10420000, 14588000, 18235000, 36470000, 72940000]

約数ペア:

[(1, 72940000), (2, 36470000), (4, 18235000), (5, 14588000), (7, 10420000), (8, 9117500), (10, 7294000), (14, 5210000), (16, 4558750), (20, 3647000), (25, 2917600), (28, 2605000), (32, 2279375), (35, 2084000), (40, 1823500), (50, 1458800), (56, 1302500), (70, 1042000), (80, 911750), (100, 729400), (112, 651250), (125, 583520), (140, 521000), (160, 455875), (175, 416800), (200, 364700), (224, 325625), (250, 291760), (280, 260500), (350, 208400), (400, 182350), (500, 145880), (521, 140000), (560, 130250), (625, 116704), (700, 104200), (800, 91175), (875, 83360), (1000, 72940), (1042, 70000), (1120, 65125), (1250, 58352), (1400, 52100), (1750, 41680), (2000, 36470), (2084, 35000), (2500, 29176), (2605, 28000), (2800, 26050), (3500, 20840), (3647, 20000), (4000, 18235), (4168, 17500), (4375, 16672), (5000, 14588), (5210, 14000), (5600, 13025), (7000, 10420), (7294, 10000), (8336, 8750)]