30542020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 66553200

約数和(自身を除く): 36011180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 277, 298, 370, 554, 596, 740, 745, 1108, 1385, 1490, 2770, 2980, 5513, 5540, 10249, 11026, 20498, 22052, 27565, 40996, 41273, 51245, 55130, 82546, 102490, 110260, 165092, 204980, 206365, 412730, 825460, 1527101, 3054202, 6108404, 7635505, 15271010, 30542020]

約数ペア:

[(1, 30542020), (2, 15271010), (4, 7635505), (5, 6108404), (10, 3054202), (20, 1527101), (37, 825460), (74, 412730), (148, 206365), (149, 204980), (185, 165092), (277, 110260), (298, 102490), (370, 82546), (554, 55130), (596, 51245), (740, 41273), (745, 40996), (1108, 27565), (1385, 22052), (1490, 20498), (2770, 11026), (2980, 10249), (5513, 5540)]