40300400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 113936160

約数和(自身を除く): 73635760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 140, 148, 175, 185, 200, 259, 280, 296, 350, 370, 389, 400, 518, 560, 592, 700, 740, 778, 925, 1036, 1295, 1400, 1480, 1556, 1850, 1945, 2072, 2590, 2723, 2800, 2960, 3112, 3700, 3890, 4144, 5180, 5446, 6224, 6475, 7400, 7780, 9725, 10360, 10892, 12950, 13615, 14393, 14800, 15560, 19450, 20720, 21784, 25900, 27230, 28786, 31120, 38900, 43568, 51800, 54460, 57572, 68075, 71965, 77800, 100751, 103600, 108920, 115144, 136150, 143930, 155600, 201502, 217840, 230288, 272300, 287860, 359825, 403004, 503755, 544600, 575720, 719650, 806008, 1007510, 1089200, 1151440, 1439300, 1612016, 2015020, 2518775, 2878600, 4030040, 5037550, 5757200, 8060080, 10075100, 20150200, 40300400]

約数ペア:

[(1, 40300400), (2, 20150200), (4, 10075100), (5, 8060080), (7, 5757200), (8, 5037550), (10, 4030040), (14, 2878600), (16, 2518775), (20, 2015020), (25, 1612016), (28, 1439300), (35, 1151440), (37, 1089200), (40, 1007510), (50, 806008), (56, 719650), (70, 575720), (74, 544600), (80, 503755), (100, 403004), (112, 359825), (140, 287860), (148, 272300), (175, 230288), (185, 217840), (200, 201502), (259, 155600), (280, 143930), (296, 136150), (350, 115144), (370, 108920), (389, 103600), (400, 100751), (518, 77800), (560, 71965), (592, 68075), (700, 57572), (740, 54460), (778, 51800), (925, 43568), (1036, 38900), (1295, 31120), (1400, 28786), (1480, 27230), (1556, 25900), (1850, 21784), (1945, 20720), (2072, 19450), (2590, 15560), (2723, 14800), (2800, 14393), (2960, 13615), (3112, 12950), (3700, 10892), (3890, 10360), (4144, 9725), (5180, 7780), (5446, 7400), (6224, 6475)]