27700000

素因数分解:

$2^5\times 5^5\times {\mathrm{277}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 68409684

約数和(自身を除く): 40709684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 277, 400, 500, 554, 625, 800, 1000, 1108, 1250, 1385, 2000, 2216, 2500, 2770, 3125, 4000, 4432, 5000, 5540, 6250, 6925, 8864, 10000, 11080, 12500, 13850, 20000, 22160, 25000, 27700, 34625, 44320, 50000, 55400, 69250, 100000, 110800, 138500, 173125, 221600, 277000, 346250, 554000, 692500, 865625, 1108000, 1385000, 1731250, 2770000, 3462500, 5540000, 6925000, 13850000, 27700000]

約数ペア:

[(1, 27700000), (2, 13850000), (4, 6925000), (5, 5540000), (8, 3462500), (10, 2770000), (16, 1731250), (20, 1385000), (25, 1108000), (32, 865625), (40, 692500), (50, 554000), (80, 346250), (100, 277000), (125, 221600), (160, 173125), (200, 138500), (250, 110800), (277, 100000), (400, 69250), (500, 55400), (554, 50000), (625, 44320), (800, 34625), (1000, 27700), (1108, 25000), (1250, 22160), (1385, 20000), (2000, 13850), (2216, 12500), (2500, 11080), (2770, 10000), (3125, 8864), (4000, 6925), (4432, 6250), (5000, 5540)]