89964980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{91801}}^1$

素因数の和:91824

約数の個数: 36

約数和(自身を含む): 219773988

約数和(自身を除く): 129809008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 91801, 183602, 367204, 459005, 642607, 918010, 1285214, 1836020, 2570428, 3213035, 4498249, 6426070, 8996498, 12852140, 17992996, 22491245, 44982490, 89964980]

約数ペア:

[(1, 89964980), (2, 44982490), (4, 22491245), (5, 17992996), (7, 12852140), (10, 8996498), (14, 6426070), (20, 4498249), (28, 3213035), (35, 2570428), (49, 1836020), (70, 1285214), (98, 918010), (140, 642607), (196, 459005), (245, 367204), (490, 183602), (980, 91801)]