2019896830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{929}}^1$

素因数の和:1381

約数の個数: 64

約数和(自身を含む): 4218480000

約数和(自身を除く): 2198583170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 349, 445, 623, 698, 890, 929, 1246, 1745, 1858, 2443, 3115, 3490, 4645, 4886, 6230, 6503, 9290, 12215, 13006, 24430, 31061, 32515, 62122, 65030, 82681, 155305, 165362, 217427, 310610, 324221, 413405, 434854, 578767, 648442, 826810, 1087135, 1157534, 1621105, 2174270, 2269547, 2893835, 3242210, 4539094, 5787670, 11347735, 22695470, 28855669, 57711338, 144278345, 201989683, 288556690, 403979366, 1009948415, 2019896830]

約数ペア:

[(1, 2019896830), (2, 1009948415), (5, 403979366), (7, 288556690), (10, 201989683), (14, 144278345), (35, 57711338), (70, 28855669), (89, 22695470), (178, 11347735), (349, 5787670), (445, 4539094), (623, 3242210), (698, 2893835), (890, 2269547), (929, 2174270), (1246, 1621105), (1745, 1157534), (1858, 1087135), (2443, 826810), (3115, 648442), (3490, 578767), (4645, 434854), (4886, 413405), (6230, 324221), (6503, 310610), (9290, 217427), (12215, 165362), (13006, 155305), (24430, 82681), (31061, 65030), (32515, 62122)]