207630980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 448447104

約数和(自身を除く): 240816124

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 2003, 4006, 5183, 8012, 10015, 10366, 20030, 20732, 25915, 40060, 51830, 103660, 142213, 146219, 284426, 292438, 568852, 584876, 711065, 731095, 1422130, 1462190, 2844260, 2924380, 10381549, 20763098, 41526196, 51907745, 103815490, 207630980]

約数ペア:

[(1, 207630980), (2, 103815490), (4, 51907745), (5, 41526196), (10, 20763098), (20, 10381549), (71, 2924380), (73, 2844260), (142, 1462190), (146, 1422130), (284, 731095), (292, 711065), (355, 584876), (365, 568852), (710, 292438), (730, 284426), (1420, 146219), (1460, 142213), (2003, 103660), (4006, 51830), (5183, 40060), (8012, 25915), (10015, 20732), (10366, 20030)]