2205390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 5951232

約数和(自身を除く): 3745842

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 123, 163, 165, 205, 246, 326, 330, 410, 451, 489, 615, 815, 902, 978, 1230, 1353, 1630, 1793, 2255, 2445, 2706, 3586, 4510, 4890, 5379, 6683, 6765, 8965, 10758, 13366, 13530, 17930, 20049, 26895, 33415, 40098, 53790, 66830, 73513, 100245, 147026, 200490, 220539, 367565, 441078, 735130, 1102695, 2205390]

約数ペア:

[(1, 2205390), (2, 1102695), (3, 735130), (5, 441078), (6, 367565), (10, 220539), (11, 200490), (15, 147026), (22, 100245), (30, 73513), (33, 66830), (41, 53790), (55, 40098), (66, 33415), (82, 26895), (110, 20049), (123, 17930), (163, 13530), (165, 13366), (205, 10758), (246, 8965), (326, 6765), (330, 6683), (410, 5379), (451, 4890), (489, 4510), (615, 3586), (815, 2706), (902, 2445), (978, 2255), (1230, 1793), (1353, 1630)]