28998380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 63201600

約数和(自身を除く): 34203220

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 263, 298, 370, 526, 596, 740, 745, 1052, 1315, 1490, 2630, 2980, 5260, 5513, 9731, 11026, 19462, 22052, 27565, 38924, 39187, 48655, 55130, 78374, 97310, 110260, 156748, 194620, 195935, 391870, 783740, 1449919, 2899838, 5799676, 7249595, 14499190, 28998380]

約数ペア:

[(1, 28998380), (2, 14499190), (4, 7249595), (5, 5799676), (10, 2899838), (20, 1449919), (37, 783740), (74, 391870), (148, 195935), (149, 194620), (185, 156748), (263, 110260), (298, 97310), (370, 78374), (526, 55130), (596, 48655), (740, 39187), (745, 38924), (1052, 27565), (1315, 22052), (1490, 19462), (2630, 11026), (2980, 9731), (5260, 5513)]