1949713040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2215583}}^1$

素因数の和:2215607

約数の個数: 40

約数和(自身を含む): 4945183488

約数和(自身を除く): 2995470448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2215583, 4431166, 8862332, 11077915, 17724664, 22155830, 24371413, 35449328, 44311660, 48742826, 88623320, 97485652, 121857065, 177246640, 194971304, 243714130, 389942608, 487428260, 974856520, 1949713040]

約数ペア:

[(1, 1949713040), (2, 974856520), (4, 487428260), (5, 389942608), (8, 243714130), (10, 194971304), (11, 177246640), (16, 121857065), (20, 97485652), (22, 88623320), (40, 48742826), (44, 44311660), (55, 35449328), (80, 24371413), (88, 22155830), (110, 17724664), (176, 11077915), (220, 8862332), (440, 4431166), (880, 2215583)]