2940390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 7860528

約数和(自身を除く): 4920138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 883, 1110, 1665, 1766, 2649, 3330, 4415, 5298, 7947, 8830, 13245, 15894, 26490, 32671, 39735, 65342, 79470, 98013, 163355, 196026, 294039, 326710, 490065, 588078, 980130, 1470195, 2940390]

約数ペア:

[(1, 2940390), (2, 1470195), (3, 980130), (5, 588078), (6, 490065), (9, 326710), (10, 294039), (15, 196026), (18, 163355), (30, 98013), (37, 79470), (45, 65342), (74, 39735), (90, 32671), (111, 26490), (185, 15894), (222, 13245), (333, 8830), (370, 7947), (555, 5298), (666, 4415), (883, 3330), (1110, 2649), (1665, 1766)]