90214940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 197920800

約数和(自身を除く): 107705860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1090, 1427, 2180, 2854, 3161, 5708, 6322, 7135, 12644, 14270, 15805, 28540, 31610, 41383, 63220, 82766, 155543, 165532, 206915, 311086, 413830, 622172, 777715, 827660, 1555430, 3110860, 4510747, 9021494, 18042988, 22553735, 45107470, 90214940]

約数ペア:

[(1, 90214940), (2, 45107470), (4, 22553735), (5, 18042988), (10, 9021494), (20, 4510747), (29, 3110860), (58, 1555430), (109, 827660), (116, 777715), (145, 622172), (218, 413830), (290, 311086), (436, 206915), (545, 165532), (580, 155543), (1090, 82766), (1427, 63220), (2180, 41383), (2854, 31610), (3161, 28540), (5708, 15805), (6322, 14270), (7135, 12644)]