121153480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61813}}^1$

素因数の和:61838

約数の個数: 48

約数和(自身を含む): 317105820

約数和(自身を除く): 195952340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 61813, 123626, 247252, 309065, 432691, 494504, 618130, 865382, 1236260, 1730764, 2163455, 2472520, 3028837, 3461528, 4326910, 6057674, 8653820, 12115348, 15144185, 17307640, 24230696, 30288370, 60576740, 121153480]

約数ペア:

[(1, 121153480), (2, 60576740), (4, 30288370), (5, 24230696), (7, 17307640), (8, 15144185), (10, 12115348), (14, 8653820), (20, 6057674), (28, 4326910), (35, 3461528), (40, 3028837), (49, 2472520), (56, 2163455), (70, 1730764), (98, 1236260), (140, 865382), (196, 618130), (245, 494504), (280, 432691), (392, 309065), (490, 247252), (980, 123626), (1960, 61813)]