9978530

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 18673200

約数和(自身を除く): 8694670

約数列:

[1, 2, 5, 10, 37, 74, 149, 181, 185, 298, 362, 370, 745, 905, 1490, 1810, 5513, 6697, 11026, 13394, 26969, 27565, 33485, 53938, 55130, 66970, 134845, 269690, 997853, 1995706, 4989265, 9978530]

約数ペア:

[(1, 9978530), (2, 4989265), (5, 1995706), (10, 997853), (37, 269690), (74, 134845), (149, 66970), (181, 55130), (185, 53938), (298, 33485), (362, 27565), (370, 26969), (745, 13394), (905, 11026), (1490, 6697), (1810, 5513)]