2007775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 3180600

約数和(自身を除く): 1172825

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 149, 175, 245, 275, 385, 539, 745, 1043, 1225, 1639, 1925, 2695, 3725, 5215, 7301, 8195, 11473, 13475, 26075, 36505, 40975, 57365, 80311, 182525, 286825, 401555, 2007775]

約数ペア:

[(1, 2007775), (5, 401555), (7, 286825), (11, 182525), (25, 80311), (35, 57365), (49, 40975), (55, 36505), (77, 26075), (149, 13475), (175, 11473), (245, 8195), (275, 7301), (385, 5215), (539, 3725), (745, 2695), (1043, 1925), (1225, 1639)]