7976990.00000000

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{75503}}^1$

素因数の和:75526

約数の個数: 36

約数和(自身を含む): 180756576

約数和(自身を除く): 106763636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 75503, 151006, 302012, 377515, 528521, 755030, 1057042, 1510060, 2114084, 2642605, 3699647, 5285210, 7399294, 10570420, 14798588, 18498235, 36996470, 73992940]

約数ペア:

[(1, 73992940), (2, 36996470), (4, 18498235), (5, 14798588), (7, 10570420), (10, 7399294), (14, 5285210), (20, 3699647), (28, 2642605), (35, 2114084), (49, 1510060), (70, 1057042), (98, 755030), (140, 528521), (196, 377515), (245, 302012), (490, 151006), (980, 75503)]