30919280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55213}}^1$

素因数の和:55233

約数の個数: 40

約数和(自身を含む): 82158432

約数和(自身を除く): 51239152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55213, 110426, 220852, 276065, 386491, 441704, 552130, 772982, 883408, 1104260, 1545964, 1932455, 2208520, 3091928, 3864910, 4417040, 6183856, 7729820, 15459640, 30919280]

約数ペア:

[(1, 30919280), (2, 15459640), (4, 7729820), (5, 6183856), (7, 4417040), (8, 3864910), (10, 3091928), (14, 2208520), (16, 1932455), (20, 1545964), (28, 1104260), (35, 883408), (40, 772982), (56, 552130), (70, 441704), (80, 386491), (112, 276065), (140, 220852), (280, 110426), (560, 55213)]